FR1284449A
Expired / Lapsed
FR
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Improvements to gas filters
Assignee: DALLOW LAMBERT Ltd
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Filing: 1961-03-22
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Granted: 1962-02-09
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Expires: 1981-03-22
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 22:36
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/02; B01D46/04; B01D46/0002; B01D46/0005; B01D46/66; B01D46/70; B01D46/71
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