FR345118A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
galvanic element for gas cells
Assignee: HERMAN I KEIJZER
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Filing: 1904-07-25
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Granted: 1904-11-22
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Expires: 1924-07-25
Abstract
No abstract record available.
Inventors
- 👤 Herman I. Keijzer
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 23:05
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/20; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
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