Invention Grant
- Patent Title: Heat treating process
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Application No.: US19239638Application Date: 1938-02-24
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Publication No.: US2231009APublication Date: 1941-02-11
- Inventor: HOLT DONALD A
- Applicant: DU PONT
- Assignee: Du Pont
- Current Assignee: Du Pont
- Priority: US19239638 1938-02-24
- Main IPC: C21D1/46
- IPC: C21D1/46
Information query
