RU1577604C - - Google Patents
Info
- Publication number
- RU1577604C RU1577604C SU4477479/21A SU4477479A RU1577604C RU 1577604 C RU1577604 C RU 1577604C SU 4477479/21 A SU4477479/21 A SU 4477479/21A SU 4477479 A SU4477479 A SU 4477479A RU 1577604 C RU1577604 C RU 1577604C
- Authority
- RU
- Russia
Links
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU4477479/21A RU1577604C (en:Method) | 1988-08-30 | 1988-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU4477479/21A RU1577604C (en:Method) | 1988-08-30 | 1988-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU1577604C true RU1577604C (en:Method) | 2000-06-10 |
Family
ID=48228261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU4477479/21A RU1577604C (en:Method) | 1988-08-30 | 1988-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU1577604C (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111038A (zh) * | 2020-03-09 | 2020-05-08 | 代福民 | 便捷双气阀双通道深度防毒口罩 |
-
1988
- 1988-08-30 RU SU4477479/21A patent/RU1577604C/ru not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111038A (zh) * | 2020-03-09 | 2020-05-08 | 代福民 | 便捷双气阀双通道深度防毒口罩 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20060831 |