Invention Grant
- Patent Title: Hard alloys and method for producing the same
- Patent Title (中): 硬质合金及其制造方法
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Application No.: US24422238Application Date: 1938-12-06
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Publication No.: US2196009APublication Date: 1940-04-02
- Inventor: WALTHER DAWIHL , KARL SCHROTER
- Applicant: GEN ELECTRIC
- Assignee: Gen Electric
- Current Assignee: Gen Electric
- Priority: DE2196009X 1938-01-11
- Main IPC: C04B35/56
- IPC: C04B35/56
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