Invention Grant
- Patent Title: Strip entry equipment for spiral pipe machine
- Patent Title (中): 螺旋管机入料设备
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Application No.: US81239259Application Date: 1959-05-11
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Publication No.: US3081813APublication Date: 1963-03-19
- Inventor: ANDERSON DOUGLAS O , HALL ROBERT M
- Applicant: ACME STEEL CO
- Assignee: Acme Steel Co
- Current Assignee: Acme Steel Co
- Priority: US81239259 1959-05-11
- Main IPC: B21C37/12
- IPC: B21C37/12
Information query
