FR752247A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method of microscopic examination of the constitution of surfaces and instrument intended for this examination
Assignee: Gustav Schmaltz
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Filing: 1933-03-10
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Granted: 1933-09-19
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Expires: 1953-03-10
Abstract
No abstract record available.
Inventors
- 👤 Gustav Schmaltz
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 00:41
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/06; G02B21/08; G02B21/082; G01; G01B; G01B11/00; G01B11/24; G01B11/25
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