SU501171A1 - Helmet for miners - Google Patents
Helmet for minersInfo
- Publication number
- SU501171A1 SU501171A1 SU2003882A SU2003882A SU501171A1 SU 501171 A1 SU501171 A1 SU 501171A1 SU 2003882 A SU2003882 A SU 2003882A SU 2003882 A SU2003882 A SU 2003882A SU 501171 A1 SU501171 A1 SU 501171A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- miners
- helmet
- Prior art date
Links
Description
Ч .H
6 -/-1л 5)6 - / - 1l 5)
/ /
5five
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2003882A SU501171A1 (en) | 1974-03-11 | 1974-03-11 | Helmet for miners |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2003882A SU501171A1 (en) | 1974-03-11 | 1974-03-11 | Helmet for miners |
Publications (1)
Publication Number | Publication Date |
---|---|
SU501171A1 true SU501171A1 (en) | 1976-01-30 |
Family
ID=20578176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU2003882A SU501171A1 (en) | 1974-03-11 | 1974-03-11 | Helmet for miners |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU501171A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4972520A (en) * | 1989-05-26 | 1990-11-27 | Grilliot William L | Ventilated hood for firefighter |
US5090054A (en) * | 1989-05-26 | 1992-02-25 | Grilliot William L | Ventilated hood for firefighter |
-
1974
- 1974-03-11 SU SU2003882A patent/SU501171A1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4972520A (en) * | 1989-05-26 | 1990-11-27 | Grilliot William L | Ventilated hood for firefighter |
US5090054A (en) * | 1989-05-26 | 1992-02-25 | Grilliot William L | Ventilated hood for firefighter |
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