CN111419597A - Movable box type oxygen supply room - Google Patents

Movable box type oxygen supply room Download PDF

Info

Publication number
CN111419597A
CN111419597A CN202010312590.7A CN202010312590A CN111419597A CN 111419597 A CN111419597 A CN 111419597A CN 202010312590 A CN202010312590 A CN 202010312590A CN 111419597 A CN111419597 A CN 111419597A
Authority
CN
China
Prior art keywords
oxygen
room
oxygen supply
equipment
monitoring
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.)
Pending
Application number
CN202010312590.7A
Other languages
Chinese (zh)
Inventor
文炳武
覃宗志
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.)
Zhuhai Huiyu Medical Technology Co ltd
Original Assignee
Zhuhai Huiyu Medical 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 Zhuhai Huiyu Medical Technology Co ltd filed Critical Zhuhai Huiyu Medical Technology Co ltd
Priority to CN202010312590.7A priority Critical patent/CN111419597A/en
Publication of CN111419597A publication Critical patent/CN111419597A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G10/00Treatment rooms or enclosures for medical purposes
    • A61G10/02Treatment rooms or enclosures for medical purposes with artificial climate; with means to maintain a desired pressure, e.g. for germ-free rooms
    • A61G10/023Rooms for the treatment of patients at over- or under-pressure or at a variable pressure
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02Preparation of oxygen
    • C01B13/0229Purification or separation processes
    • C01B13/0248Physical processing only
    • C01B13/0259Physical processing only by adsorption on solids
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00Purification or separation of specific gases
    • C01B2210/0043Impurity removed
    • C01B2210/0046Nitrogen

Abstract

The invention discloses a movable box type oxygen supply room which comprises a movable box room, wherein the interior of the movable box room is divided into a power supply room, an equipment room, a monitoring room and a high-reflection relieving room; an oxygen making equipment unit is arranged in the equipment room, and oxygen is supplied to the high-altitude anti-surge relief chamber through a pipeline; a centralized monitoring device is arranged in the monitoring room and is electrically connected with the generator set and the oxygen generating equipment unit; the high-reflection relieving chamber is divided into an oxygen supply room and a micro-pressure oxygen cabin, the oxygen supply room is provided with a nasal feeding oxygen supply device, and the micro-pressure oxygen cabin is provided with a dispersion oxygen supply device. The oxygen inhalation device can be placed according to regional requirements, and is used for oxygen inhalation of tourists needing oxygen inhalation, relief of altitude stress, oxygen therapy of chronic diseases and the like.

Description

Movable box type oxygen supply room
Technical Field
The invention relates to the technical field of oxygen supply equipment, in particular to a movable box type oxygen supply room.
Background
Due to elevation of altitude and reduction of oxygen partial pressure, namely, the oxygen content in the air is lower than that in the plain, the human body can be caused to have short-term acute hypoxia or long-term chronic hypoxia. The movable box type oxygen supply room can continuously supplement the oxygen content in the environment so as to avoid irreversible organism damage to the human body and accelerated aging of human tissues and organs, such as: cardiac hypertrophy, irreversible changes in blood vessels (hypo-elasticity, dilation, flexion of the aorta, narrowing of the lumen of the blood vessel), fibrosis of the lung tissue, all reduce the transport or uptake and utilization of oxygen by the body, resulting in hypoxia. Meanwhile, the number of tourists in the plateau is increased year by year, tourists entering the plateau from the plain are easy to have high response, and at the same time, according to incomplete statistics, more than 50% of cadres living and working in high altitude areas suffer from diseases such as high-grade heart disease and the like due to long-term hypoxia. Therefore, it is necessary to provide a movable box-type oxygen supply room which is placed according to regional requirements and used for visitors who need to inhale oxygen, relieving altitude stress, treating chronic diseases by oxygen and the like.
Disclosure of Invention
The invention provides a movable box type oxygen supply room which can be placed according to regional requirements, and can be used for visitors who need to inhale oxygen, relieving altitude stress, treating chronic diseases by oxygen and the like.
The technical scheme of the invention is realized as follows:
a movable box type oxygen supply room comprises a movable box room, wherein the interior of the movable box room is divided into a power supply room, an equipment room, a monitoring room and a high-reflection relieving room, and a generator set is arranged in the power supply room and is used for providing power for the equipment room, the monitoring room and the high-reflection relieving room; an oxygen making equipment unit is arranged in the equipment room and supplies oxygen to the high-altitude anti-surge relieving chamber through a pipeline; a centralized monitoring device is arranged in the monitoring room and is electrically connected with the generator set and the oxygen generating equipment set; the high-reflection relieving chamber is divided into an oxygen supply room and a micro-pressure oxygen cabin, nasal feeding oxygen supply equipment is arranged in the oxygen supply room, and a dispersion oxygen supply device is arranged in the micro-pressure oxygen cabin.
As a preferred embodiment of the present invention, the generator set includes, but is not limited to, one or more of a gasoline engine generator, a solar generator, and a wind power generator.
As a preferred embodiment of the invention, the oxygen generation equipment unit is a medical molecular sieve oxygen generation system, the medical molecular sieve oxygen generation system outputs oxygen to nasal feeding oxygen supply equipment and a dispersion oxygen supply device through an oxygen supply pipeline, the nasal feeding oxygen supply equipment comprises a humidification bottle and a disposable nasal oxygen tube, and the oxygen enters the disposable nasal oxygen tube after being diluted by the humidification bottle.
As a preferred embodiment of the present invention, the medical molecular sieve oxygen generation system includes a filtering device, a compressor unit, a gas separation device, an electromagnetic valve a, B, and an adsorption tower device, and the filtering device, the compressor unit, the gas separation device, the electromagnetic valve a, B, and the adsorption tower device are sequentially connected.
As a preferred embodiment of the present invention, the pressure value in the micro-pressure oxygen chamber is 1.3 times atmospheric pressure, and the oxygen concentration content is 30%.
As a preferred embodiment of the present invention, the high-reflectivity relief room is further equipped with a fresh air system, a sound system, a heating system, a projection system, a lighting system and a monitoring system, and the centralized monitoring device is electrically connected to the fresh air system, the sound system, the heating system, the projection system, the lighting system and the monitoring system respectively.
As a preferred embodiment of the present invention, the monitoring room is equipped with a monitoring system, and the monitoring system is electrically connected with the centralized monitoring equipment.
As a preferred embodiment of the invention, the generator set provides 380V three-phase and 220V single-phase power for the equipment room, the monitoring room and the high-impedance relieving room.
The invention has the beneficial effects that: can be placed according to the regional requirement for tourists who need to inhale oxygen, relieve altitude stress, treat chronic diseases with oxygen and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a portable box-type oxygen supply room according to the present invention;
FIG. 2 is a schematic diagram of an oxygen supply circuit of a portable box-type oxygen supply room according to the present invention;
FIG. 3 is a schematic diagram of the weak current arrangement of a movable box-type oxygen supply room according to the present invention;
FIG. 4 is a schematic diagram of a strong electric power arrangement of a portable oxygen supply box room according to the present invention;
FIG. 5 is a schematic top view of a portable oxygen supply box according to the present invention;
FIG. 6 is a schematic diagram of a medical molecular sieve oxygen generation system;
fig. 7 is a schematic structural view of the gas separation device.
In the figure, 1-power supply room, 2-equipment room, 3-monitoring room, 4-high-reverse-reaction relieving room, 41-oxygen supply room, 42-micro-pressure oxygen chamber, 5-filtering device, 6-compressor set, 7-gas separating device, 71-gas separating body, 711, gas inlet, 72-A solenoid valve, 73-A solenoid valve, 74-A solenoid exchange valve, 75-B solenoid exchange valve, 76-first gas outlet, 77-second gas outlet, 78-third gas outlet and 8-adsorption tower device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-7, the invention provides a movable box type oxygen supply room, which comprises a movable box room, wherein the interior of the movable box room is divided into a power supply room 1, an equipment room 2, a monitoring room 3 and a high-reflectivity relieving room 4, and a generator set is arranged in the power supply room 1 and supplies power to the equipment room 2, the monitoring room 3 and the high-reflectivity relieving room 4; an oxygen making equipment unit is arranged in the equipment room 2, and oxygen is supplied to the high-altitude anti-surge chamber 4 through a pipeline; a centralized monitoring device is arranged in the monitoring room 3, and the centralized monitoring device is electrically connected with the generator set and the oxygen generating equipment set; the high-reflection relieving chamber 4 is divided into an oxygen supply room 41 and a micro-pressure oxygen chamber 42, the oxygen supply room 41 is provided with a nasal feeding oxygen supply device, and the micro-pressure oxygen chamber 42 is provided with a dispersion oxygen supply device.
The power supply room 1 is provided with a 15KW gasoline generator, and a power supply control box of the whole container is arranged inside. In other embodiments the generator set includes, but is not limited to, one or more of a gasoline engine generator, a solar power generator, and a wind power generator.
The equipment room 2 is provided with 40-60L equipment units for supplying oxygen to the oxygen supply terminal of the high-anti-surge chamber 4.
The monitoring chamber 3 is provided with a computer for controlling the starting and stopping of the oxygen generating system, adjusting parameters and monitoring the running state.
The high-reflection relieving chamber 4 comprises an oxygen supply room 41 and a micro-pressure oxygen cabin chamber 42, wherein the oxygen supply room 41 has larger space and adopts a nasal feeding oxygen supply mode. The micro-pressure oxygen chamber 42 is provided with a set of dispersion oxygen supply device for carrying out dispersion oxygen supply in a space with the size of 1.5 square meters.
Oxygen generating equipment unit is medical molecular sieve oxygen system, medical molecular sieve oxygen system exports oxygen to nasal feeding oxygen supply equipment and dispersion apparatus of oxygen supply through oxygen therapy pipeline, nasal feeding oxygen supply equipment includes humidifying bottle and disposable nasal oxygen pipe, and disposable nasal oxygen pipe is gone into after oxygen dilutes through the humidifying bottle. The medical molecular sieve oxygen generation system in the equipment room 2 is an oxygen supply source, the oxygen concentration is more than or equal to 90%, oxygen is conveyed to an oxygen outlet terminal through an oxygen conveying pipeline, the oxygen outlet terminal meets the British standard, oxygen is diluted by a humidification bottle and then is used for nasal feeding through a disposable nasal oxygen tube, and the disposable nasal oxygen tube is mainly used for preventing cross infection. The operating principle of the micro-pressure oxygen cabin is that fresh air and high-purity oxygen are continuously injected into the closed cabin, so that the pressure in the closed cabin is stabilized at 1.3 atmospheric pressure and the oxygen content is 30%, and a safe and specific oxygen-enriched atmospheric environment is formed in the cabin.
The medical molecular sieve oxygen generation system comprises a filtering device 5, a compressor unit 6, a gas separation device 7, an electromagnetic valve A, an electromagnetic valve B and an adsorption tower device 8, wherein the filtering device 5, the compressor unit 6, the gas separation device 7, the electromagnetic valve A, the electromagnetic valve B and the adsorption tower device 8 are sequentially communicated. The medical molecular sieve oxygen generation system also comprises an oxygen generation control system, and the oxygen generation control system is connected with the compressor unit 6 and the electromagnetic valves A and B. The filtering device 5 comprises PP filtering cotton and a waterproof filtering device 5, the PP filtering cotton is unidirectional filtering cotton, and the waterproof filtering device 5 purifies air. The compressor unit 6 compresses air, the high-pressure air flow of the air enters the gas separation device 7 and enters the two adsorption towers A and B in a fixed-frequency (the electromagnetic valves A and B are alternately switched on and off), molecular sieves in the adsorption towers A and B respectively and crossly adsorb (non-oxygen molecules), oxygen molecules can directly pass through, when the high-pressure air flows into the adsorption tower A, the oxygen molecules pass through, redundant gas (other gases such as nitrogen and the like) is adsorbed and can not pass through, the redundant gas is discharged through the gas separation device 7 under the conversion back pressure action of the gas separation device 7, when the high-pressure air flows into the adsorption towers, the oxygen molecules pass through, the redundant gas (other gases such as nitrogen and the like) is adsorbed and can not pass through, the redundant gas is discharged through the gas separation device 7 under the conversion back pressure action of the gas separation device 7, and the redundant gas (other gases such as nitrogen and the like) is discharged, oxygen is directly output from the oxygen port through the molecular sieve.
The gas separating device 7 comprises an inlet gas separating body 71, an A electromagnetic valve 72, a B electromagnetic valve 73, an A electromagnetic exchange valve 74 and a B electromagnetic valve 75, wherein the airflow directions a1-a2 and a2-a3 are changed by the electromagnetic valve, and the airflow directions B1-B2 and B2-B3 are changed by the B electromagnetic valve, and are fixedly connected relatively.
Air compressed by the compressor unit 6 enters the air inlet 711, the A electromagnetic valve 72 is firstly opened, the air flow a1 flows to a2 and flows to the A adsorption tower through the first air outlet 76, the molecular sieve in the A adsorption tower adsorbs nitrogen and other gases, oxygen passes through the A electromagnetic valve, the A electromagnetic valve is closed after 5 seconds, the valves a2 and a3 are opened, the adsorbed multi-path gas in the A adsorption tower is discharged from the third air outlet 78, the B electromagnetic valve is opened while the A electromagnetic valve is closed, the air flow B1 flows to B2 and flows to the B adsorption tower through the second air outlet 77, the molecular sieve in the B adsorption tower adsorbs nitrogen and other gases, the oxygen passes through the B electromagnetic valve, the valve B2 and B3 are opened after 5 seconds, and the adsorbed multi-path gas in the B adsorption tower is discharged from the third air outlet 78. And similarly, the next circulation is carried out, so that air intake, air exchange, air intake and air exchange are alternately circulated, gas separation and conversion are formed, and oxygen is effectively output.
The high-reflectivity relieving room 4 is also provided with a fresh air system, a sound system, a heating system, a projection system, a lighting system and a monitoring system, and the centralized monitoring equipment is electrically connected with the fresh air system, the sound system, the heating system, the projection system, the lighting system and the monitoring system respectively. The monitoring room 3 can intensively monitor and control the start and stop of a fresh air system, a sound system, a heating system, a projection system, a lighting system and a monitoring system, and the monitoring system consists of a plurality of cameras.
The monitoring room 3 is also equipped with a monitoring system, which is electrically connected with the centralized monitoring equipment.
The generator set provides 380V three-phase and 220V single-phase power for the equipment room 2, the monitoring room 3 and the high-voltage back-off room 4. The movable box type oxygen supply room is simultaneously provided with facilities such as illumination, heating, plug boards and the like, the required frequency is 50Hz +/-1 Hz, the voltage three-phase is 380V +/-30V, the single-phase is 220V +/-22V, a gasoline generator is arranged in the station room, and the power required by the movable box type oxygen supply room can be connected externally or internally.
The invention has the beneficial effects that: the portable box oxygen suppliment room can place needs oxygen uptake or crowd's place of concentrating according to the oxygen suppliment demand, does not receive the influence of fixed building, and the oxygen suppliment oxygen source is medical molecular sieve oxygen generation system, and raw and other materials are pollution-free air, through the principle of vary voltage oxygen uptake, and pressurization is adsorbed, and the decompression is analytic, with oxygen and nitrogen separation in the air, oxygen carries out the oxygen terminal, and nitrogen gas is arranged to the atmosphere, and is pollution-free. The room has arranged the minute-pressure oxygen cabin simultaneously, in the oxygen boosting environment, combine oxygen saturation to promote fast, make the dissolved oxygen of human body constantly increase, open the gold passageway of high-speed absorption oxygen for the human body, a large amount of oxygen molecules get into the health from respiratory track and skin, thereby make the internal dissolved oxygen content of human improve more than 5 times, human immunocompetence has been improved, this oxygen cabin has special curative effect to multiple ailment, there is obvious recovered effect to sub-health and chronic disease, especially, it is particularly effective to be fit for the injury that the plateau oxygen deficiency environment caused.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. The utility model provides a portable box oxygen suppliment room, includes portable box room, its characterized in that: the interior of the movable box room is divided into a power supply room, an equipment room, a monitoring room and a high-reflection relieving room, and a generator set is arranged in the power supply room and used for providing power for the equipment room, the monitoring room and the high-reflection relieving room; an oxygen making equipment unit is arranged in the equipment room and supplies oxygen to the high-altitude anti-surge relieving chamber through a pipeline; a centralized monitoring device is arranged in the monitoring room and is electrically connected with the generator set and the oxygen generating equipment set; the high-reflection relieving chamber is divided into an oxygen supply room and a micro-pressure oxygen cabin, nasal feeding oxygen supply equipment is arranged in the oxygen supply room, and a dispersion oxygen supply device is arranged in the micro-pressure oxygen cabin.
2. The portable oxygen supply box room as claimed in claim 1, wherein: the generator set includes, but is not limited to, one or more of a gasoline engine generator, a solar generator, and a wind turbine generator.
3. The portable oxygen supply box room as claimed in claim 1, wherein: oxygen generating equipment unit is medical molecular sieve oxygen system, medical molecular sieve oxygen system exports oxygen to nasal feeding oxygen supply equipment and dispersion apparatus of oxygen supply through oxygen therapy pipeline, nasal feeding oxygen supply equipment includes humidifying bottle and disposable nasal oxygen pipe, and disposable nasal oxygen pipe is gone into after oxygen dilutes through the humidifying bottle.
4. The portable oxygen supply box room as claimed in claim 3, wherein: the medical molecular sieve oxygen generation system comprises a filtering device, a compressor unit, a gas separation device, an A, B electromagnetic valve and an adsorption tower device, wherein the filtering device, the compressor unit, the gas separation device, the A, B electromagnetic valve and the adsorption tower device are sequentially communicated.
5. A portable oxygen supply cabinet as claimed in claim 1 or claim 3 wherein: the air pressure value in the micro-pressure oxygen chamber is 1.3 times of atmospheric pressure, and the oxygen concentration content is 30 percent.
6. The portable oxygen supply box room as claimed in claim 1, wherein: the high-reflectivity relieving room is further provided with a fresh air system, a sound system, a heating system, a projection system, a lighting system and a monitoring system, and the centralized monitoring equipment is electrically connected with the fresh air system, the sound system, the heating system, the projection system, the lighting system and the monitoring system respectively.
7. The portable oxygen supply box room as claimed in claim 1 or 6, wherein: the monitoring room is provided with a monitoring system, and the monitoring system is electrically connected with the centralized monitoring equipment.
8. The portable oxygen supply box room as claimed in claim 1, wherein: the generator set provides 380V three-phase and 220V single-phase power for the equipment room, the monitoring room and the high-reverse relieving room.
CN202010312590.7A 2020-04-20 2020-04-20 Movable box type oxygen supply room Pending CN111419597A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010312590.7A CN111419597A (en) 2020-04-20 2020-04-20 Movable box type oxygen supply room

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010312590.7A CN111419597A (en) 2020-04-20 2020-04-20 Movable box type oxygen supply room

Publications (1)

Publication Number Publication Date
CN111419597A true CN111419597A (en) 2020-07-17

Family

ID=71558191

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010312590.7A Pending CN111419597A (en) 2020-04-20 2020-04-20 Movable box type oxygen supply room

Country Status (1)

Country Link
CN (1) CN111419597A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112316263A (en) * 2020-11-05 2021-02-05 谢文明 Portable oxygen suppliment equipment
CN113558895A (en) * 2021-08-13 2021-10-29 广东省迅怡净化科技有限公司 Bed capable of improving sleep quality

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112316263A (en) * 2020-11-05 2021-02-05 谢文明 Portable oxygen suppliment equipment
CN113558895A (en) * 2021-08-13 2021-10-29 广东省迅怡净化科技有限公司 Bed capable of improving sleep quality

Similar Documents

Publication Publication Date Title
CN111419597A (en) Movable box type oxygen supply room
WO2000004859A1 (en) Self-contained hyperbaric chamber
CN207361788U (en) For producing the gas manufacturing equipment and air-conditioning of hydrogen and oxygen
CN102120054A (en) Portable respirator based on self-supply of oxygen
CN112807538A (en) Portable oxygen generation and supply device and method
CN212308289U (en) Movable box type oxygen supply room
CN202128787U (en) Portable anesthesia machine based on self-sufficient oxygen
CN209847682U (en) Domestic hyperbaric oxygen treatment equipment
CN105213138A (en) A kind of difunctional treatment cabin of air oxygen
CN108784978A (en) A kind of carbon dioxide mix oxygen pressure oxygen therapeutic device and application method
CN110624219A (en) Training equipment and system capable of promoting cell perception and adapting to oxygen change mechanism
CN202069964U (en) Portable respirator based on oxygen self-sufficiency
CN214528139U (en) Energy-saving oxygen generator
CN109173579A (en) A kind of medical oxygen concentrator based on rapid pressure swing adsorption
CN1032624A (en) Hyperbaric negative oxygen ion chamber
CN209759025U (en) PSA oxygenerator and hyperbaric oxygen cabin linkage application system
CN213505976U (en) Small-size oxygenerator of inverter type
CN113304376A (en) Portable oxygen generation and respiration all-in-one machine for clinical anesthesia process and use method
CN112546377A (en) Comprehensive singlet state oxyhydrogen breathing machine
CN204373111U (en) A kind of device improving indoor environment
CN211214868U (en) Intermittent high-low oxygen training system
CN112902298A (en) Oxygen-producing air conditioner
CN209713938U (en) A kind of novel suction hydrogen machine
CN210001585U (en) solar oxygen supply device
CN209378238U (en) A kind of portable nitric oxide air supply system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination