FR50158E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in the manufacture of compositions used in pyrotechnics
Assignee: LOUIS BILLANT
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Filing: 1938-09-02
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Granted: 1940-01-17
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Expires: 1958-09-02
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
2026-10-29 03:33
CPC Classifications
C; C06; C06B; C06B21/00; C06B21/0008; B; B01; B01F; B01F27/00; B01F27/05; B01F27/11; B01F27/13; B01F35/00; B01F35/90; B01F35/91
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