Invention Grant
- Patent Title: Free cutting alloy
- Patent Title (中): 自由切割合金
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Application No.: US9292536Application Date: 1936-07-27
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Publication No.: US2076579APublication Date: 1937-04-13
- Inventor: KEMPF LOUIS W , DEAN WALTER A
- Applicant: ALUMINUM CO OF AMERICA
- Assignee: Aluminum Co Of America
- Current Assignee: Aluminum Co Of America
- Priority: US9292536 1936-07-27; US5655235 1935-12-28
- Main IPC: C22C21/00
- IPC: C22C21/00
Information query
