FR41648E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Further training in the manufacture of ceramic materials
Assignee: Saint Gobain Quartz SAS
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Filing: 1931-11-18
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Granted: 1933-02-15
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Expires: 1951-11-18
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
2026-10-25 00:16
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/14
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