Patent FR643493A successfully refreshed from Google Patents.
FR643493A
Expired / Lapsed
FR
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Improvements made to dust vacuum cleaners
Assignee: Equipements Automobiles Marchal SA
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Filing: 1927-04-05
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Granted: 1928-09-18
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Expires: 1947-04-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 05:27
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02
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