CN206646869U - Steel construction theater with fire-fighting function - Google Patents
Steel construction theater with fire-fighting function Download PDFInfo
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- CN206646869U CN206646869U CN201720348765.3U CN201720348765U CN206646869U CN 206646869 U CN206646869 U CN 206646869U CN 201720348765 U CN201720348765 U CN 201720348765U CN 206646869 U CN206646869 U CN 206646869U
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- filter core
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 238000010276 construction Methods 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- ZYXYTGQFPZEUFX-UHFFFAOYSA-N benzpyrimoxan Chemical compound O1C(OCCC1)C=1C(=NC=NC=1)OCC1=CC=C(C=C1)C(F)(F)F ZYXYTGQFPZEUFX-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000001174 ascending effect Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 19
- 238000005303 weighing Methods 0.000 claims description 16
- 230000008676 import Effects 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The steel construction theater with fire-fighting function is the utility model is related to, it includes bottom, two layers of grandstand being arranged on above bottom and the fan-shaped stage being arranged in front of two layers of bleacherite's seat；Eaves steel construction outside two layers of roof beam is provided with eaves outside the roof of two layers of grandstand；Bottom is provided with Stall hall, underground pump house is provided with below bottom, is provided with stair of ascending step by step between Stall hall and two layers of grandstand, lifting orchestra is provided with front of fan-shaped stage；The water inlet pipe of the underground pump house is connected with y-type filter；It is the utility model is designed reasonably, compact-sized and easy to use.
Description
Technical field
It the utility model is related to the steel construction theater with fire-fighting function.
Background technology
At present, Chinese people's living standards continue to improve, existing traditional theater, arts center etc. can not meet people
Pursuit to art of acting, existing theater design structure can not meet new art of acting means, in addition, theater is a city
The symbol of educational level.
When ensureing that people enjoy comfortable culture life, supporting corresponding establishment must be complete thoughtful such as anti-
Pinking, emergency escape etc., but one of them mostly important safeguard measure is fire-fighting function.Existing fire main facility is
Through very complete, if using running water fire-fighting, water-carrying capacity is small, and pressure is low, causes the waste of water resource, and many cities are adopted now
Fire demand water is used as by the use of reclaimed water or directly by the use of fluviatic water.
But because Chinese many regional water quality impurity are more, in incrustation scale, water deposits for a long time in fire protection pipeline, exists a large amount of
Sediment, influence the water supply effect of fire fighting device.
Utility model content
For the above, technical problem to be solved in the utility model be generally speaking to provide it is a kind of it is reasonable in design,
Cost is cheap, durable, safe and reliable, simple to operate, time saving and energy saving, saving fund, compact-sized and easy to use band
There is the steel construction theater of fire-fighting function；The technical problem and acquirement beneficial effect solved in detail is in aftermentioned content and combines tool
Content specifically describes in body embodiment.
To solve the above problems, technical solution adopted in the utility model is：
A kind of steel construction theater with fire-fighting function, including steel construction theater main body steel construction, be arranged on steel construction play
The fire fighting supply pump that fire-fighting water spout and outlet in institute's main body steel construction are connected with fire-fighting water spout；Fire fighting supply pump enters
Y-type filter is connected with mouthful；
The y-type filter include the feed tube that valve body, left end connect with valve body, the drain pipe that upper end connects with valve body,
It is arranged on the blind joint of valve body upper end；The straight tube shape filter core that upper end is connected with blind joint lower end is provided with body cavity,
Straight tube shape filter core lower end is connected with up big and down small cone barrel filter core, and the big end internal diameter of cone barrel filter core is not more than straight tube shape filter core
Internal diameter, the upper end import of drain pipe and cone barrel filter core lower end endoporus outlet, the liquid that drain pipe comes out pass through respectively
Enter after straight tube shape filter core and cone barrel filter core in feed tube.
Further improvement as above-mentioned technical proposal：
The steel construction theater main body steel construction includes bottom, two layers of grandstand being arranged on above bottom and is arranged on two
Fan-shaped stage in front of layer bleacherite's seat；
Eaves steel construction outside two layers of roof beam is provided with eaves outside the roof of two layers of grandstand；
Bottom is provided with Stall hall, underground pump house is provided with below bottom, in Stall hall and two layers of grandstand
Between be provided with stair of ascending step by step, be provided with lifting orchestra in front of fan-shaped stage；The water inlet pipe of the underground pump house is connected with Y types
Filter；
Be provided with return air channel below Stall hall and below lifting orchestra, be provided with below fan-shaped stage with
The air-supply passage of return air channel connection, is provided with meeting-place column in fan-shaped stage surrounding, horse race corridor is provided with two layers of grandstand,
Revolving stage and alphabetical lifting platform are respectively arranged with fan-shaped stage, the canopy of the heavens is provided with the background of fan-shaped stage, in day
Face behind the scenes is provided with dressing room, is provided with fireproof curtain between fan-shaped stage and two layers of grandstand, is provided with above revolving stage
Ceiling, wheel carrier is provided with ceiling, suspension rod is hung with wheel carrier, film curtain is hung with suspension rod, in fan-shaped stage
On be provided with for high-altitude performance overline bridge and high ladder；Diagonal brace is provided between the roof of two layers of grandstand and the roof of fan-shaped stage
Steelframe, the rear wall steel construction of fan-shaped stage is arc rear support roof beam structure.Fire-fighting water spout be separately positioned on the top of bottom, two layers
On the outer eaves steel construction lower end of roof beam and arc rear support roof beam structure.
A kind of y-type filter, including the feed tube that is connected with valve body of valve body, left end, upper end connected with valve body drain pipe,
It is arranged on the blind joint of valve body upper end；The straight tube shape filter core that upper end is connected with blind joint lower end is provided with body cavity,
Straight tube shape filter core lower end is connected with up big and down small cone barrel filter core, and the big end internal diameter of cone barrel filter core is not more than straight tube shape filter core
Internal diameter, the upper end import of drain pipe and cone barrel filter core lower end endoporus outlet, the liquid that drain pipe comes out pass through respectively
Enter after straight tube shape filter core and cone barrel filter core in feed tube.
Further improvement as above-mentioned technical proposal：
The mesh number of cone barrel filter core is more than the mesh number of straight tube shape filter core；Straight tube shape filter core lateral wall lower end is provided with skirt shape
Flow guide sleeve, skirt shape flow guide sleeve are sleeved on the outside of cone barrel filter core, the outer prism in the right side of skirt shape flow guide sleeve and the left port of feed tube
It is corresponding；Water conservancy diversion is to cone barrel filter core lateral wall and valve body after the outer prism in the right side for the hydraulic shock skirt shape flow guide sleeve that feed tube comes out
In cavity between internal chamber wall.
Check weighing ball is hung with straight tube shape filter core inner chamber, the density of check weighing ball is less than the fluid density that drain pipe comes out,
Blind joint lower surface is provided with pulling force sensor, spring is provided between pulling force sensor and check weighing ball, under blind joint
Safety rope is provided between end face and check weighing ball；Safety rope is longer than the maximum tension total length of spring；Pulling force sensor waterproof is set
Put, pulling force sensor is electrically connected with processor, and processor is connected with display and alarm.
It is using beneficial effect caused by above-mentioned technical proposal：
Theater of the present utility model is rational in infrastructure, multiple functional, can meet the needs of different arts of acting, has fire-fighting
Function, its water, reclaimed water or waste water by quoting river course, water is big, reduces the dependence to running water, is inverted and set by filter core
Meter, attachment of the debris on filter core is reduced, while realize coarse filtration, ensure that the water in fire fighting device is clean, convenient disassembly.
The beneficial effects of the utility model not limited to this describes, in order to preferably readily appreciate, in embodiment portion
Divide and carried out more preferably detailed description.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model is overlooked.
Fig. 2 is the attachment structure schematic diagram of the utility model fire fighting supply pump.
Wherein：1st, feed tube；2nd, drain pipe；3rd, valve body；4th, blind joint；5th, straight tube shape filter core；6th, cone barrel filter core；7th, skirt
Shape flow guide sleeve；8th, check weighing ball；9th, spring；10th, safety rope；11st, pulling force sensor；101st, bottom；102nd, two layers of grandstand；103rd, fan
Shape stage；104th, fire-fighting water spout；105th, fire fighting supply pump；107th, Stall hall；108th, underground pump house；109th, ascend step by step stair；
110th, lifting orchestra；111st, return air channel；112nd, air-supply passage；113rd, meeting-place column；114th, horse race corridor；115th, diagonal brace steelframe；
116th, arc rear support roof beam structure；117th, revolving stage；118th, alphabetical lifting platform；119th, the canopy of the heavens；120th, dressing room；121st, overline bridge；
122nd, suspension rod；123rd, ceiling；124th, wheel carrier；125th, fireproof curtain；126th, high ladder；129th, the outer eaves steel construction of two layers of roof beam.
Embodiment
As shown in Figure 1-2, the steel construction theater with fire-fighting function of the present embodiment, including steel construction theater main body steel knot
Structure, the fire-fighting water spout 104 being arranged in steel construction theater main body steel construction and outlet disappear with what fire-fighting water spout 104 was connected
Anti- supply-water pump 105；The entrance of fire fighting supply pump 105 is connected with y-type filter；
Y-type filter include the feed tube 1 that valve body 3, left end connect with valve body 3, the drain pipe 2 that upper end connects with valve body 3,
It is arranged on the blind joint 4 of the upper end of valve body 3；The straight tube shape filter core that upper end is connected with the lower end of blind joint 4 is provided with the inner chamber of valve body 3
5, up big and down small cone barrel filter core 6 is connected with the lower end of straight tube shape filter core 5, the big end internal diameter of cone barrel filter core 6 is no more than straight
The internal diameter of tubular filter core 5, upper end import and the lower end endoporus outlet of cone barrel filter core 6 of drain pipe 2, what drain pipe 2 came out
Liquid after straight tube shape filter core 5 and cone barrel filter core 6 respectively by entering in feed tube 1.Feed tube 1 and fire fighting supply pump 105
Import is connected, and drain pipe 2 is connected with river course.
The lower end liquid of y-type filter may come from river course, prevent debris from depositing to filter core by inverted design filter core
In, great Kou is entered to liquid osculum by cone barrel filter core 6 and gone out, realizes current difference so that liquid is more present in valve body 3,
So that the more many areas of straight tube shape filter core 5 is soaked in liquid, so as to increase filter area.The inclined design of cone barrel filter core 6
Increase filter area.It effectively can prevent debris from depositing, improve filter effect, and convenient disassembly.Go out in drain pipe 2
It is obvious to set switch.
As with basic structure, steel construction theater main body steel construction includes bottom 101, is arranged on the top of bottom 101
Two layers of grandstand 102 and the fan-shaped stage 103 that is arranged in front of two layers of auditorium of grandstand 102；The fan-shaped visual angle of stage 103 is big.
Eaves steel construction 129 outside two layers of roof beam is provided with eaves outside the roof of two layers of grandstand 102；Fire-fighting water spout 104
It is separately positioned on the top, the outer lower end of eaves steel construction 129 of two layers of roof beam and arc rear support roof beam structure 116 of bottom 101.
Bottom 101 is provided with Stall hall 107, underground pump house 108 is provided with the lower section of bottom 101, it is big in Stall
Stair 109 of ascending step by step are provided between hall 107 and two layers of grandstand 102, the fan-shaped front of stage 103 is provided with lifting orchestra 110；Ground
The water inlet pipe of lower pump house 108 is connected with y-type filter；Filtering can equally be realized.
Return air channel 111 is provided with below Stall hall 107 and below lifting orchestra 110, in fan-shaped stage 103
Lower section is provided with the air-supply passage 112 connected with return air channel 111, and the fan-shaped surrounding of stage 103 is provided with meeting-place column 113,
Horse race corridor 114 is provided with two layers of grandstand 102, revolving stage 117 is respectively arranged with fan-shaped stage 103 and is lifted with letter
Platform 118, the canopy of the heavens 119 is provided with the background of fan-shaped stage 103, dressing room 120 is provided with behind the canopy of the heavens 119, in sector
Fireproof curtain 125 is provided between stage 103 and two layers of grandstand 102, ceiling 123 is provided with above revolving stage 117, in ceiling
Wheel carrier 124 is provided with 123, suspension rod 122 is hung with wheel carrier 124, film curtain is hung with suspension rod 122, in sector
The overline bridge 121 and high ladder 126 for high-altitude performance are provided with stage 103；On the roof of two layers of grandstand 102 and fan-shaped stage 103
Roof between be provided with diagonal brace steelframe 115, the rear wall steel construction of fan-shaped stage 103 is arc rear support roof beam structure 116.The application
Theater use steel construction, it is convenient to build, multiple functional, reasonable in design, can meet that multi-form is performed.
As the specific descriptions to y-type filter, it include valve body 3, the feed tube 1 that left end connects with valve body 3, upper end with
The drain pipe 2 of the connection of valve body 3, the blind joint 4 for being arranged on the upper end of valve body 3；Upper end and blind joint 4 are provided with the inner chamber of valve body 3
The straight tube shape filter core 5 of lower end connection, up big and down small cone barrel filter core 6, cone barrel filter core are connected with the lower end of straight tube shape filter core 5
6 big end internal diameter is not more than the internal diameter of straight tube shape filter core 5, upper end import and the hole exits in the lower end of cone barrel filter core 6 of drain pipe 2
Connection, the liquid that drain pipe 2 comes out after straight tube shape filter core 5 and cone barrel filter core 6 respectively by entering in feed tube 1.
The lateral wall lower end of straight tube shape filter core 5 is provided with skirt shape flow guide sleeve 7, skirt shape flow guide sleeve 7 is sleeved on cone barrel filter core 6
Outside, the outer prism in the right side of skirt shape flow guide sleeve 7 are corresponding with the left port of feed tube 1；Skirt shape flow guide sleeve 7 realize water conservancy diversion, shunting with
The effect of buffering so that liquid is introduced into the epicoele of valve body 3, the first and contact filtration of straight tube shape filter core 5, so as to realize coarse filtration,
Liquid after filtering enters in straight tube shape filter core 5, and unnecessary liquid is filtered by cone barrel filter core 6 again, realizes simple level
Filtering so that more liquid pass through straight tube shape filter core 5.
The mesh number of cone barrel filter core 6 is more than the mesh number of straight tube shape filter core 5, so that liquid level raises as far as possible, mitigates
The filtering load of cone barrel filter core 6.
Check weighing ball 8 is hung with the inner chamber of straight tube shape filter core 5, the density of check weighing ball 8 is less than fluid density, in blind joint 4
Lower surface is provided with pulling force sensor 11, and spring 9 is provided between pulling force sensor 11 and check weighing ball 8, in the lower end of blind joint 4
Safety rope 10 is provided between face and check weighing ball 8；Safety rope 10 is longer than the maximum tension total length of spring 9；Pulling force sensor 11
Waterproof is set, and pulling force sensor 11 is electrically connected with processor, and processor is connected with display and alarm.
Check weighing ball 8 is placed by safety rope 10 to enter in drain pipe 2, when liquid filtering obstruction is, it is necessary to change screen pack
When, liquid can become more in the inner chamber of straight tube shape filter core 5, and pressure can increase, because the speed of the feed liquor of straight tube shape filter core 5 is more than straight tube
Shape filter core 5 goes out the speed of liquid, and the buoyancy that check weighing ball 8 receives can become big, and the lower pulling force of spring 9 diminishes, and check weighing ball 8 rises, and pulling force passes
The stress numerical value of sensor 11 diminishes, and after liquid rises to designated value, numerical value change, alarm prompting changing are shown by display
Filter core.
The utility model, which fully describes, to be disclosed in order to more clear, and is not just being enumerated for prior art.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still be modified to the technical scheme described in previous embodiment, or which part technical characteristic is equal
Replace；It is obvious that multiple technical schemes of the present utility model, which are combined, as those skilled in the art.And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of the utility model embodiment technical scheme
Enclose.
Claims (5)
1. a kind of steel construction theater with fire-fighting function, including steel construction theater main body steel construction, it is arranged on steel construction theater
Fire-fighting water spout in main body steel construction（104）And outlet and fire-fighting water spout（104）The fire fighting supply pump of connection（105）；
Fire fighting supply pump（105）Entrance be connected with y-type filter；
The y-type filter includes the feed tube (1) that valve body (3), left end connect with valve body (3), upper end connects with valve body (3)
Drain pipe (2), the blind joint (4) for being arranged on valve body (3) upper end；It is characterized in that：Be provided with valve body (3) inner chamber upper end with
The straight tube shape filter core (5) of blind joint (4) lower end connection, up big and down small cone barrel filter is connected with straight tube shape filter core (5) lower end
Core (6), the big end internal diameter of cone barrel filter core (6) are not more than the internal diameter of straight tube shape filter core (5), the upper end import of drain pipe (2) with
Cone barrel filter core (6) lower end endoporus outlet, the liquid that drain pipe (2) comes out pass through straight tube shape filter core (5) and cone cylinder respectively
Shape filter core (6) enters in feed tube (1) afterwards.
2. the steel construction theater according to claim 1 with fire-fighting function, it is characterised in that:The steel construction theater
Main body steel construction includes bottom (101), two layers of grandstand (102) being arranged on above bottom (101) and is arranged on two layers of grandstand
(102) the fan-shaped stage (103) in front of auditorium；
The outer eaves steel construction (129) of two layers of roof beam is provided with eaves outside the roof of two layers of grandstand (102)；
Bottom (101) is provided with Stall hall (107), underground pump house (108) is provided with below bottom (101), one
Stair of ascending step by step (109) are provided between building hall (107) and two floor grandstand (102), liter is provided with front of fan-shaped stage (103)
Orchestra (110) drops；The water inlet pipe of the underground pump house (108) connects with the y-type filter；
Return air channel (111) is provided with below Stall hall (107) and below lifting orchestra (110), in fan-shaped stage
(103) lower section is provided with the air-supply passage (112) connected with return air channel (111), and in fan-shaped stage (103), surrounding is provided with meeting
Field column (113), horse race corridor (114) is provided with two layers of grandstand (102), rotation is respectively arranged with fan-shaped stage (103)
Turn stage (117) and alphabetical lifting platform (118), the canopy of the heavens (119) is provided with the background of fan-shaped stage (103), in the canopy of the heavens
(119) dressing room (120) is provided with below, fireproof curtain is provided between fan-shaped stage (103) and two layers of grandstand (102)
(125) ceiling (123), is provided with above revolving stage (117), wheel carrier (124) is provided with ceiling (123), in wheel carrier
(124) suspension rod (122) is hung with, film curtain is hung with suspension rod (122), confession is provided with fan-shaped stage (103)
The overline bridge (121) and high ladder (126) of high-altitude performance；Between the roof of two layers of grandstand (102) and the roof of fan-shaped stage (103)
Diagonal brace steelframe (115) is provided with, the rear wall steel construction of fan-shaped stage (103) is arc rear support roof beam structure (116)；
Fire-fighting water spout（104）Be separately positioned on top, outer eaves steel construction (129) lower end of two layers of roof beam of bottom (101) with
And on arc rear support roof beam structure (116).
A kind of 3. y-type filter, it is characterised in that:The feed tube (1) that is connected including valve body (3), left end with valve body (3), upper end
The drain pipe (2) that is connected with valve body (3), the blind joint (4) for being arranged on valve body (3) upper end；It is characterized in that：In valve body (3)
The straight tube shape filter core (5) that upper end is connected with blind joint (4) lower end is provided with chamber, is connected with straight tube shape filter core (5) lower end
Small cone barrel filter core (6) under big, the big end internal diameter of cone barrel filter core (6) are not more than the internal diameter of straight tube shape filter core (5), drain pipe
(2) upper end import and cone barrel filter core (6) lower end endoporus outlet, the liquid that drain pipe (2) comes out pass through straight tube respectively
Shape filter core (5) and cone barrel filter core (6) enter in feed tube (1) afterwards.
4. y-type filter according to claim 3, it is characterised in that:The mesh number of cone barrel filter core (6) is more than straight tube shape
The mesh number of filter core (5)；Skirt shape flow guide sleeve (7), skirt shape flow guide sleeve (7) suit are provided with straight tube shape filter core (5) lateral wall lower end
On the outside of cone barrel filter core (6), the outer prism in the right side of skirt shape flow guide sleeve (7) is corresponding with the left port of feed tube (1)；Feed tube
(1) after the outer prism in the right side of hydraulic shock skirt shape flow guide sleeve (7) out water conservancy diversion to cone barrel filter core (6) lateral wall and valve body
(3) in the cavity between internal chamber wall.
5. according to the y-type filter described in claim any one of 3-4, it is characterised in that:Hanged in straight tube shape filter core (5) inner chamber
Check weighing ball (8) is hung with, the density of check weighing ball (8) is less than the fluid density that drain pipe (2) comes out, set in blind joint (4) lower surface
Pulling force sensor (11) is equipped with, spring (9) is provided between pulling force sensor (11) and check weighing ball (8), under blind joint (4)
Safety rope (10) is provided between end face and check weighing ball (8)；Safety rope (10) is longer than the maximum tension total length of spring (9)；Draw
Force snesor (11) waterproof is set, and pulling force sensor (11) is electrically connected with processor, and processor is connected with display and alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720348765.3U CN206646869U (en) | 2017-04-05 | 2017-04-05 | Steel construction theater with fire-fighting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720348765.3U CN206646869U (en) | 2017-04-05 | 2017-04-05 | Steel construction theater with fire-fighting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206646869U true CN206646869U (en) | 2017-11-17 |
Family
ID=60275788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720348765.3U Expired - Fee Related CN206646869U (en) | 2017-04-05 | 2017-04-05 | Steel construction theater with fire-fighting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206646869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006545A (en) * | 2021-02-26 | 2021-06-22 | 中国二十冶集团有限公司 | High-order water stage structure of theater |
-
2017
- 2017-04-05 CN CN201720348765.3U patent/CN206646869U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006545A (en) * | 2021-02-26 | 2021-06-22 | 中国二十冶集团有限公司 | High-order water stage structure of theater |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171117 |