CH89279A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Tungsten alloy of great hardness.
Assignee: Wolfram Ind M B H Ges
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Filing: 1920-07-29
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Granted: —
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Expires: 1940-07-29
Abstract
No abstract record available.
Inventors
- 👤 Fuer Wolfram-Indu Gesellschaft
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-30 14:26
CPC Classifications
B; B21; B21C; B21C3/00; B21C3/02; C; C22; C22C; C22C29/00; C22C29/02; C22C29/06; C22C29/08
Claims Analysis
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References Cited (Backward Citations)
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