Invention Grant
- Patent Title: Spiral pipe machine
- Patent Title (中): 螺旋管机
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Application No.: US29612463Application Date: 1963-07-18
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Publication No.: US3269162APublication Date: 1966-08-30
- Inventor: FAY JAMES E
- Applicant: FAY PIPE AND PILE INC
- Assignee: Fay Pipe And Pile Inc
- Current Assignee: Fay Pipe And Pile Inc
- Priority: US29612463 1963-07-18
- Main IPC: B21C37/12
- IPC: B21C37/12
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