FR808802A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Paper filter against arsines and its manufacturing process
Assignee: Raichlen Louis
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Filing: 1935-11-06
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Granted: 1937-02-16
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Expires: 1955-11-06
Abstract
No abstract record available.
Inventors
- 👤 Raichlen Louis
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 10:13
CPC Classifications
A; A62; A62B; A62B23/00; D; D21; D21H; D21H17/00; D21H17/63; D21H17/66; D21H27/00; D21H27/08
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