FR757173A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Water sterilization by chlorine and charcoal
Assignee: Louis Friderich
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Filing: 1932-09-10
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Granted: 1933-12-21
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Expires: 1952-09-10
Abstract
No abstract record available.
Inventors
- 👤 Louis Friderich
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 18:41
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/50; C02F1/505
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References Cited (Backward Citations)
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