Patent FR542902A successfully refreshed from Google Patents.
FR542902A
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FR
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Cylindrical sheet metal filler for gas scrubbers, reaction towers and similar devices
Assignee: WAFFEN und MUNITIONS FABRIKEN
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Filing: 1921-10-29
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Granted: 1922-08-24
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Expires: 1941-10-29
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
2026-10-26 19:55
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/30; B01J2219/00; B01J2219/30; B01J2219/302; B01J2219/30223; B01J2219/304; B01J2219/30408
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