Patent DE972889C successfully refreshed from Google Patents.
DE972889C
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DE
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Spark erosion process for the production of bores with stationary or rotating electrodes
Assignee: NASSOVIA MASCHINENFABRIK HANNS
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Filing: 1954-07-15
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Granted: 1959-10-22
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Expires: 1974-07-15
Abstract
No abstract record available.
Inventors
- 👤 Karl-Eberhard Dipl-Ing Baldauf
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 05:14
CPC Classifications
B; B23; B23H; B23H7/00; B23H7/26; B23H7/28; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/545; B23Q1/5462; B23H2200/00; B23H2200/20
Claims Analysis
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