FR501331A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Muffle furnace
Assignee: FOURS ET PROCEDES MATHY
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Filing: 1919-05-24
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Granted: 1920-04-09
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Expires: 1939-05-24
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 00:31
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/0043
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