CN2287975Y - 封闭式制氧自救面罩 - Google Patents
封闭式制氧自救面罩 Download PDFInfo
- Publication number
- CN2287975Y CN2287975Y CN 97207091 CN97207091U CN2287975Y CN 2287975 Y CN2287975 Y CN 2287975Y CN 97207091 CN97207091 CN 97207091 CN 97207091 U CN97207091 U CN 97207091U CN 2287975 Y CN2287975 Y CN 2287975Y
- Authority
- CN
- China
- Prior art keywords
- oxygen
- supply device
- mask
- oxygen supply
- automatic
- 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.)
- Expired - Fee Related
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 97207091 CN2287975Y (zh) | 1997-01-29 | 1997-01-29 | 封闭式制氧自救面罩 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 97207091 CN2287975Y (zh) | 1997-01-29 | 1997-01-29 | 封闭式制氧自救面罩 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2287975Y true CN2287975Y (zh) | 1998-08-19 |
Family
ID=33926929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 97207091 Expired - Fee Related CN2287975Y (zh) | 1997-01-29 | 1997-01-29 | 封闭式制氧自救面罩 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2287975Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107185122A (zh) * | 2017-06-05 | 2017-09-22 | 陈有添 | 火灾逃生面巾 |
CN112336999A (zh) * | 2020-09-27 | 2021-02-09 | 杭州博大净化设备有限公司 | 一种带制氧装置的面罩 |
-
1997
- 1997-01-29 CN CN 97207091 patent/CN2287975Y/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107185122A (zh) * | 2017-06-05 | 2017-09-22 | 陈有添 | 火灾逃生面巾 |
CN112336999A (zh) * | 2020-09-27 | 2021-02-09 | 杭州博大净化设备有限公司 | 一种带制氧装置的面罩 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: HOU SHUMIN TO: SONG JINGWEN |
|
CP03 | Change of name, title or address |
Address after: 210029 Nanjing city Hanzhoung Gate Street No. 87 Building 5 floor sankt-king Nanjing City Fire Equipment Co. Ltd. Patentee after: Song Jingwen Address before: Nanjing Huai Gate Street 3 building 305 Qinyuan Plaza Patentee before: Hou Shumin |
|
CU03 | Correction of utility model patent gazette |
Correction item: Patentee Correct: Song Jingyi False: Song Jingwen Number: 26 Volume: 17 |
|
ERR | Gazette correction |
Free format text: CORRECT: PATENTEE; FROM: SONG JINGWEN TO: SONG JINGYI |
|
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |