DE701689C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Telephone equipment on gas protective masks
Assignee: HAGENUK HANSEATISCHE APPBAU
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Filing: 1938-05-25
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Granted: 1941-01-22
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Expires: 1958-05-25
Abstract
No abstract record available.
Inventors
- 👤 Lothar Sengewitz
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 14:47
CPC Classifications
A; A62; A62B; A62B18/00; A62B18/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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