FR977217A
Expired / Lapsed
FR
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Improvements to drawing boards
Assignee: Michel Chambrier
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Filing: 1948-10-29
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Granted: 1951-03-29
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Expires: 1968-10-29
Abstract
No abstract record available.
Inventors
- 👤 Michel Chambrier
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 22:26
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/02; B43L13/04; B43L13/046
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