CN211154396U - Positive pressure water supply dining car - Google Patents

Positive pressure water supply dining car Download PDF

Info

Publication number
CN211154396U
CN211154396U CN201921964763.2U CN201921964763U CN211154396U CN 211154396 U CN211154396 U CN 211154396U CN 201921964763 U CN201921964763 U CN 201921964763U CN 211154396 U CN211154396 U CN 211154396U
Authority
CN
China
Prior art keywords
fixedly connected
water tank
containing box
tableware
connecting pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921964763.2U
Other languages
Chinese (zh)
Inventor
常发涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao New Hesheng Dining Car Technology Co ltd
Original Assignee
Qingdao New Hesheng Dining Car Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao New Hesheng Dining Car Technology Co ltd filed Critical Qingdao New Hesheng Dining Car Technology Co ltd
Priority to CN201921964763.2U priority Critical patent/CN211154396U/en
Application granted granted Critical
Publication of CN211154396U publication Critical patent/CN211154396U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Handcart (AREA)

Abstract

The utility model discloses a malleation feedwater dining car, comprising a base plate, the equal rigid coupling in upper surface four corners of bottom plate has the pole setting, every center top rigid coupling has the diaphragm between the pole setting, every the top rigid coupling of pole setting has the roof, the top of roof is wiped and is inserted tableware containing box, the bottom and the diaphragm of tableware containing box laminate mutually, tableware containing box and roof clearance fit. This malleation feedwater dining car, through the bottom plate, the pole setting, the diaphragm, the roof, the cooperation between tableware holding box and the water supply installation, when needing to wipe the tablecloth and wash, will turn on the valve that drains in proper order with control switch, make the suction pump can work, the inside clear water of clear water tank can be followed the bottom discharge of the valve that drains for wipe the washing of tablecloth, need not to come and go the bathroom and wash, in order to save the time of the use of receiving meal clearance dining table, and do benefit to the washing of follow-up staff to the tableware.

Description

Positive pressure water supply dining car
Technical Field
The utility model relates to a receive dining car technical field, specifically be a malleation feedwater meal receiving car.
Background
The dining room waiter can use and receive the dining car and clear up the remainder on the dining table after finishing with the meal, in order to ensure the cleanliness of dining table, the ordinary dining car of receiving that uses in the dining room at present comparatively simple function singleness, the overwhelming majority does not possess malleation feedwater cleaning function, the waiter is using wiping the tablecloth to clear up the in-process to the dining table, in order to keep the cleanliness of dining table, waiter's both hands or wiping tablecloth all need wash many times, at this moment, waiter must get back to the bathroom of being close to and wash, increase the time that receives meal work to consume then, and can't hold the inside tableware of case to the tableware and carry out preliminary cleaning, be unfavorable for the washing of follow-up staff to the tableware, practicality remains to be strengthened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dining car is received in malleation feedwater, with solve the ordinary dining car of receiving that present uses in the dining room that proposes in the above-mentioned background comparatively simple function singleness of structure, mostly do not possess malleation feedwater cleaning function, the waiter cleans tablecloth and clears up the in-process to the dining table in using, in order to keep the cleanliness of dining table, waiter's both hands or clean tablecloth all need wash many times, at this moment waiter must get back to the bathroom of being close to and wash, increase the time that receives meal work and consume then, and can't hold incasement portion's tableware to the tableware and carry out preliminary cleaning, be unfavorable for follow-up staff to the washing of tableware, practicality remains to strengthen the problem.
In order to achieve the above object, the utility model provides a following technical scheme: a positive pressure water supply dining car comprises a bottom plate, wherein vertical rods are fixedly connected to four corners of the upper surface of the bottom plate, a transverse plate is fixedly connected to the top end of the center between every two vertical rods, a top plate is fixedly connected to the top end of each vertical rod, a tableware containing box is inserted into the top end of the top plate in a wiping mode, the bottom end of the tableware containing box is attached to the transverse plate, the tableware containing box is in clearance fit with the top plate, a filter is arranged at the center of the bottom end inside the tableware containing box, a water supply device is arranged on the upper surface of the bottom plate, universal wheels are fixedly connected to four corners of the lower surface of the bottom plate, a first handle is fixedly connected to each of the left side and the right side of the upper surface of the top plate, a U-shaped rod is fixedly connected to the top ends of the right side of the outer walls of the two vertical rods on the right side, a table, the waste bin is in interference fit with the supporting plate, and a garbage bag is placed in the waste bin.
Preferably, the filter includes recess, through-hole, nozzle stub, the lantern ring, rubber circle, ring, filter mantle, card ball and draw-in groove, the inside bottom center at tableware containing box is seted up to the recess, open the inside bottom of recess has the through-hole, the through-hole runs through tableware containing box and diaphragm in proper order, the inside of through-hole is equipped with the nozzle stub, the fixed lantern ring that has cup jointed in the outer wall top of nozzle stub, the lower surface rigid coupling of the lantern ring has the rubber circle, the lantern ring links to each other with the inner wall screw thread of recess, the rubber circle offsets tightly with the inside bottom of recess, the equal rigid coupling in upper surface left and right sides of the lantern ring has the ring, the top of the lantern ring is equipped with the filter mantle, the equal rigid coupling in both ends has the card ball around the lower surface left and right sides of filter mantle, the card ball.
Preferably, the two rings are bilaterally symmetrical with respect to a center point of the collar.
Preferably, the clamping groove and the clamping ball form a clamping structure.
Preferably, the water supply device comprises a clean water tank, a water filling port, a waste water tank, a second handle, a rubber strip, a base, a water suction pump, a first connecting pipe, a second connecting pipe, a control switch, a housing, a storage battery, a lead and a water drain valve, the clean water tank is fixedly connected to the upper surface of the bottom plate, the water filling port is fixedly connected to the right side of the upper surface of the clean water tank, the waste water tank is placed on the upper surface of the clean water tank, the second handle is fixedly connected to the left side and the right side of the waste water tank, a water drain valve is fixedly connected to the bottom end of the left surface of the waste water tank, the rubber strip is fixedly connected to the periphery of the upper surface of the waste water tank and abuts against the transverse plate, the base is fixedly connected to the right surface of the clean water tank, the water pump is fixedly connected to the right side of the base, the first connecting pipe is fixedly connected to the top end of the water suction pump, the diaphragm is run through to the second even pipe, the second even pipe links with the diaphragm is fixed continuous, the other end rigid coupling of second even pipe has the valve that drains, the control switch rigid coupling has the lower surface right side of diaphragm, the upper surface of housing links to each other with the lower surface right side inboard fixed of diaphragm, the inside rigid coupling of housing has the battery, control switch all is connected with suction pump and battery through the wire.
Preferably, the inner right side of the waste water tank is higher than the inner left side by 3-8 cm.
Compared with the prior art, the beneficial effects of the utility model are that: this malleation feedwater dining car, in-process using, through the bottom plate, the pole setting, the diaphragm, the roof, the cooperation between tableware containing box and the water supply installation, when needing to wipe the tablecloth and wash, open drain valve and control switch in proper order, make the suction pump can work, the inside clear water of clean water tank can be followed the bottom discharge of drain valve, a washing for wiping the tablecloth, need not to come and go the bathroom and wash, in order to save the time of the use of receiving meal clearance dining table, through the drain valve, tableware containing box, the cooperation between filter and the wastewater disposal basin, the water that the drain valve bottom flows out can tentatively wash the tableware, and then do benefit to the washing of follow-up staff to the tableware.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection of the base plate, pallet and waste bin of FIG. 1;
FIG. 3 is a schematic view of a connection structure of the clean water tank, the waste water tank and the suction pump in FIG. 1;
FIG. 4 is a schematic view showing a connection structure of the cross plate, the tableware receiving box and the strainer of FIG. 1.
In the figure: 1. the water purifier comprises a bottom plate, 2, vertical rods, 3, a transverse plate, 4, a filter, 401, a groove, 402, a through hole, 403, a short pipe, 404, a lantern ring, 405, a rubber ring, 406, a circular ring, 407, a filter cover, 408, a clamping ball, 409, a clamping groove, 5, a water supply device, 501, a clean water tank, 502, a water filling port, 503, a waste water tank, 504, a second handle, 505, a rubber strip, 506, a base, 507, a water suction pump, 508, a first connecting pipe, 509, a second connecting pipe, 510, a control switch, 511, a housing, 512, a storage battery, 513, a lead wire, 514, a water drain valve, 515, a water drain valve, 6, a universal wheel, 7, a top plate, 8, a first handle, 9, a U-shaped rod, 10, a table cloth, 11, a supporting plate, 12, a waste bin, 13, a garbage bag, 14 and a.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a positive pressure water supply dining car comprises a bottom plate 1, upright posts 2 are fixedly connected with four corners of the upper surface of the bottom plate 1, a transverse plate 3 is fixedly connected with the top end of the center between each upright post 2, a top plate 7 is fixedly connected with the top end of each upright post 2, a tableware containing box 14 is inserted into the top end of the top plate 7, the bottom end of the tableware containing box 14 is attached to the transverse plate 3, the tableware containing box 14 is in clearance fit with the top plate 7, a filter 4 is arranged at the center of the bottom end inside the tableware containing box 14, a water supply device 5 is arranged on the upper surface of the bottom plate 1, universal wheels 6 are fixedly connected with four corners of the lower surface of the bottom plate 1, first handles 8 are fixedly connected with the left side and the right side of the upper surface of the top plate 7, U-shaped rods 9 are fixedly connected with the top ends of the right sides of the outer walls of the two upright posts 2 on the right side, tablecloths 10 are, the supporting plate 11 is made of plastic materials, a concave limiting groove is machined in the upper surface of the supporting plate, the concave limiting groove is tightly abutted to the waste bin 12, the waste bin 12 is in interference fit with the supporting plate 11, and the garbage bag 13 is placed in the waste bin 12.
The filter 4 comprises a groove 401, a through hole 402, a short pipe 403, a lantern ring 404, a rubber ring 405, a circular ring 406, a filter cover 407, a clamping ball 408 and a clamping groove 409, the groove 401 is arranged at the center of the bottom end in the tableware containing box 14, the bottom end in the groove 401 is provided with the through hole 402, the through hole 402 sequentially penetrates through the tableware containing box 14 and the transverse plate 3, the short pipe 403 is arranged in the through hole 402, the short pipe 403 is communicated with the waste water box 503, the top end of the outer wall of the short pipe 403 is fixedly connected with the lantern ring 404, the lower surface of the lantern ring 404 is fixedly connected with the rubber ring 405, the rubber ring 405 is made of rubber material and has certain toughness, the lantern ring 404 is in threaded connection with the inner wall of the groove 401, the rubber ring 405 is tightly abutted against the bottom end in the groove 401, the left side and the right side of the upper surface of the lantern ring 404 are fixedly connected with the circular ring 406, the mesh number is 2-10 meshes, the front end and the rear end of the left side and the right side of the lower surface of the filter cover 407 are fixedly connected with the clamping balls 408, the clamping balls 408 are clamped with the tableware containing box 14 through the clamping grooves 409, the two circular rings 406 are bilaterally symmetrical relative to the central point of the lantern ring 404, so that the lantern ring 404 is uniformly stressed by the two circular rings 406, the clamping grooves 409 and the clamping balls 408 form a clamping structure, when the clamping balls 408 are inserted into the clamping grooves 409, the bottom end of the filter cover 407 can be tightly abutted against the bottom end inside the tableware containing box 14, and certain acting force is required when the clamping balls 408 are moved out of the clamping grooves 409.
The water supply device 5 comprises a clean water tank 501, a water filling port 502, a waste water tank 503, a second handle 504, a rubber strip 505, a base 506, a water pump 507, a first connecting pipe 508, a second connecting pipe 509, a control switch 510, a housing 511, a storage battery 512, a lead 513 and a water drain valve 514, wherein the clean water tank 501 is fixedly connected to the upper surface of the bottom plate 1, an observation window is arranged on the front surface of the clean water tank 501 so as to enable external personnel to visually know the content of clean water in the clean water tank 501, the water filling port 502 is fixedly connected to the right side of the upper surface of the water tank 501, the water filling port 502 is composed of a round pipe and a screw cap, the round pipe is communicated with the clean water tank 501, the top end of the round pipe is in threaded connection with the screw cap, impurities in the round pipe can be prevented from entering the round pipe after the screw cap is in threaded connection with the round pipe, the waste water tank 503 is arranged on the upper surface of the clean water, the drain valve 515 is communicated with the waste water tank 503, the periphery of the upper surface of the waste water tank 503 is fixedly connected with a rubber strip 505, the rubber strip 505 is made of rubber and has certain toughness, the rubber strip 505 is abutted against the transverse plate 3, the right surface of the clear water tank 501 is fixedly connected with a base 506, the right side of the base 506 is fixedly connected with a water pump 507, the type of the water pump 507 is ZM-007, the top end of the water pump 507 is fixedly connected with a first connecting pipe 508, the first connecting pipe 508 is fixedly connected with the clear water tank 501, the first connecting pipe 508 is communicated with the clear water tank 501, the bottom end of the water pump 507 is fixedly connected with a second connecting pipe 509, the second connecting pipe 509 penetrates through the transverse plate 3, the second connecting pipe 509 is fixedly connected with the transverse plate 3, the other end of the second connecting pipe 509 is fixedly connected with a water drain valve 514, the drain valve 514 is communicated with the second connecting pipe 509, the control switch 510 is fixedly connected with the right side of the lower surface of the, a storage battery 512 is fixedly connected inside the housing 511, the type of the storage battery 512 is 24V6ah, the control switches 510 are connected with the water suction pump 507 and the storage battery 512 through wires 513, an operator can control whether the storage battery 512 supplies power to the water suction pump 507 or not by controlling the closing of the control switches, the right side inside the waste water tank 503 is higher than the left side inside by 3-8cm, and liquid inside the waste water tank 503 can conveniently flow to the left side.
When the positive pressure water supply dining car is used, the positive pressure water supply dining car is firstly pushed to the position near a dining table to be cleaned, then the universal wheels 6 are locked to prevent the occurrence of the condition of sliding, at the moment, an operator drops the residual food in the tableware above the dining table into the garbage bag 13, then the tableware is placed into the tableware containing box 14, then the upper surface of the dining table is preliminarily cleaned by using the tablecloth 10, when the operator needs to clean the tablecloth, the water drain valve 515 and the control switch 510 are sequentially opened, at the moment, the water suction pump 507 works, the bottom end of the first connecting pipe 508 generates suction force, clean water in the clean water tank 501 is pumped out and is discharged from the bottom end of the water drain valve 514, the discharged clean water can be used for cleaning the tablecloth 10, the water drain valve 514 and the control switch 510 are closed after the cleaning is finished, the upper surface of the dining table is cleaned again after the cleaning is finished, the cleaning of a toilet is not needed, so that the tableware can be cleaned in a reciprocating way, the water flowing into the tableware containing box 14 can flow into the waste water box 503 for temporary storage through the short pipe 403, the filter cover 407 can filter the entered water to prevent larger impurities from flowing into the waste water box 503, the water can be injected into the clean water box 501 through the water injection port 502 during use, the waste water in the waste water box 503 is discharged through the drain valve 515 to increase the cruising performance of the positive pressure water supply dining car, the garbage bag 13 is treated and replaced when the positive pressure water supply dining car is not used before next work every day, the cover 407 is separated from the tableware containing box 14, the collar 403 is rotated counterclockwise to discharge the short pipe 403, when the waste water tank 503 is disassembled, the waste water tank 503 can be cleaned, and then each component is reset, so that the waste water tank can be used again in the next day.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a malleation feedwater dining car, includes bottom plate (1), its characterized in that: the upper surface four corners of the bottom plate (1) are fixedly connected with upright posts (2), a transverse plate (3) is fixedly connected to the top end of the center between each upright post (2), a top plate (7) is fixedly connected to the top end of each upright post (2), a tableware containing box (14) is inserted into the top end of each top plate (7), the bottom end of each tableware containing box (14) is attached to the transverse plate (3), the tableware containing boxes (14) are in clearance fit with the top plates (7), a filter (4) is arranged at the center of the bottom end inside each tableware containing box (14), a water supply device (5) is arranged on the upper surface of the bottom plate (1), universal wheels (6) are fixedly connected to the four corners of the lower surface of the bottom plate (1), first handles (8) are fixedly connected to the left and right sides of the upper surface of each top plate (7), and U-shaped rods (9) are fixedly connected to the top ends of the right sides, the outer wall of U type pole (9) has hung and has wiped tablecloth (10), and the left side is two the outer wall left side bottom rigid coupling of pole setting (2) has layer board (11), dump bin (12) have been placed to the inside of layer board (11), dump bin (12) and layer board (11) interference fit, disposal bag (13) have been put into to the inside of dump bin (12).
2. The positive pressure water supply dining car according to claim 1, wherein: the filter (4) comprises a groove (401), a through hole (402), a short pipe (403), a lantern ring (404), a rubber ring (405), a circular ring (406), a filter cover (407), a clamping ball (408) and a clamping groove (409), the groove (401) is arranged at the center of the inner bottom end of the tableware containing box (14), the through hole (402) is formed in the inner bottom end of the groove (401), the through hole (402) sequentially penetrates through the tableware containing box (14) and the transverse plate (3), the short pipe (403) is arranged inside the through hole (402), the lantern ring (404) is fixedly sleeved at the top end of the outer wall of the short pipe (403), the rubber ring (405) is fixedly connected to the lower surface of the lantern ring (404), the lantern ring (404) is in threaded connection with the inner wall of the groove (401), the rubber ring (405) is tightly abutted to the inner bottom end of the groove (401), the circular rings (406) are fixedly connected to the left side and the right, the top of lantern ring (404) is equipped with filter mantle (407), both ends all are the rigid coupling around the lower surface left and right sides of filter mantle (407) have card ball (408), card ball (408) are through draw-in groove (409) and tableware containing box (14) looks joint.
3. The positive pressure water supply dining car according to claim 2, wherein: the two circular rings (406) are bilaterally symmetrical relative to the center point of the collar (404).
4. The positive pressure water supply dining car according to claim 2, wherein: the clamping groove (409) and the clamping ball (408) form a clamping structure.
5. The positive pressure water supply dining car according to claim 1, wherein: the water supply device (5) comprises a clean water tank (501), a water injection port (502), a waste water tank (503), a second handle (504), a rubber strip (505), a base (506), a water suction pump (507), a first connecting pipe (508), a second connecting pipe (509), a control switch (510), a housing (511), a storage battery (512), a lead (513) and a water drain valve (514), wherein the clean water tank (501) is fixedly connected to the upper surface of the bottom plate (1), the water injection port (502) is fixedly connected to the right side of the upper surface of the clean water tank (501), the waste water tank (503) is placed on the upper surface of the clean water tank (501), the second handle (504) is fixedly connected to the left side and the right side of the waste water tank (503), a drain valve (515) is fixedly connected to the bottom end of the left surface of the waste water tank (503), the rubber strips (505) are fixedly connected to the periphery of the upper surface of the waste water tank (503), and the rubber strip (505, a base (506) is fixedly connected on the right surface of the clear water tank (501), a water suction pump (507) is fixedly connected on the right side of the base (506), the top end of the water pump (507) is fixedly connected with a first connecting pipe (508), the first connecting pipe (508) is fixedly connected with the clear water tank (501), the bottom end of the water pump (507) is fixedly connected with a second connecting pipe (509), the second connecting pipe (509) penetrates through the transverse plate (3), the second connecting pipe (509) is fixedly connected with the transverse plate (3), the other end of the second connecting pipe (509) is fixedly connected with a water drain valve (514), the control switch (510) is fixedly connected with the right side of the lower surface of the transverse plate (3), the upper surface of the cover shell (511) is fixedly connected with the inner side of the right side of the lower surface of the transverse plate (3), the inside rigid coupling of cover (511) has battery (512), control switch (510) all are connected with suction pump (507) and battery (512) through wire (513).
6. The positive pressure water supply dining car according to claim 5, wherein: the inside right side of the waste water tank (503) is higher than the inside left side by 3-8 cm.
CN201921964763.2U 2019-11-14 2019-11-14 Positive pressure water supply dining car Active CN211154396U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921964763.2U CN211154396U (en) 2019-11-14 2019-11-14 Positive pressure water supply dining car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921964763.2U CN211154396U (en) 2019-11-14 2019-11-14 Positive pressure water supply dining car

Publications (1)

Publication Number Publication Date
CN211154396U true CN211154396U (en) 2020-08-04

Family

ID=71788198

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921964763.2U Active CN211154396U (en) 2019-11-14 2019-11-14 Positive pressure water supply dining car

Country Status (1)

Country Link
CN (1) CN211154396U (en)

Similar Documents

Publication Publication Date Title
CN211154396U (en) Positive pressure water supply dining car
CN212759948U (en) Belt cleaning device for machining
CN108339819B (en) Quick abluent garbage bin
CN211215806U (en) Environment-friendly energy-saving building water supply and drainage system
CN216798871U (en) Automatic back-flushing filter for sewage treatment
CN201648026U (en) Domestic sewage treatment and recycling water tank
CN213726628U (en) Can conveniently clear up chemical experiment platform of chemical liquid that pours
CN209501380U (en) A kind of printing wastewater reverse osmosis membrane cleaning machine
CN103526507B (en) A kind of water-saving and environmental protection washing machine
CN220451046U (en) Strip floor drain convenient to clean
CN205205955U (en) Prevent stifled kitchen sink with vibrate cleaning function
CN205548477U (en) Manually rotate the formula household dish washer structure
CN202990044U (en) Double-washing-pool water-saving water tank
CN215855676U (en) Single pond of convenient clearance
CN111686495A (en) Filtering device
CN210385042U (en) Rose extract separator convenient to wash
CN216631769U (en) Automatic cleaning device for glass production
CN216725962U (en) Low energy consumption sewage treatment system based on energy conservation and environmental protection
CN211723055U (en) Single-hand tableware cleaning device
CN212417106U (en) Household domestic water energy-saving system for new rural self-building house
CN212248481U (en) Energy-saving and water-saving special appliance
CN214017467U (en) Dish washer drainage mechanism and dish washer
CN201687054U (en) Household sewage treatment recovery pond
CN218774800U (en) A incomplete material recovery unit for reation kettle
CN212974352U (en) Cleaning and filtering device for nursing

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant