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FR50158E Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements in the manufacture of compositions used in pyrotechnics

Assignee: LOUIS BILLANT
•
Filing: 1938-09-02
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Granted: 1940-01-17
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Expires: 1958-09-02
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-29 07:14
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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