Patent DE938681C successfully refreshed from Google Patents.
DE938681C
Expired / Lapsed
DE
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Method for drilling fine holes
Assignee: Carl Zeiss SMT GmbH
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Filing: 1951-02-01
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Granted: 1956-02-02
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Expires: 1971-02-01
Abstract
No abstract record available.
Inventors
- 👤 Karl Heinz Dipl-Ph Steigerwald
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-22 23:12
CPC Classifications
G; G04; G04D; G04D3/00; G04D3/0069; G04D3/0071; H; H01; H01J; H01J37/00; H01J37/30; H01J37/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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