DE738124C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for measuring the smallest differences in length or thickness, especially for testing metallic surfaces
Assignee: JOHANNES FRANZ LUDWIG PERTHEN
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Filing: 1936-10-16
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Granted: 1943-08-04
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Expires: 1956-10-16
Abstract
No abstract record available.
Inventors
- 👤 Dr-Ing Johannes Franz Perthen
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 23:27
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/34; G01B7/345
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References Cited (Backward Citations)
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