Invention Grant
- Patent Title: Method of making nestable pipe
- Patent Title (中): 制作可套管的方法
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Application No.: US43859565Application Date: 1965-03-10
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Publication No.: US3286336APublication Date: 1966-11-22
- Inventor: LOMBARDI JACK P
- Applicant: LOMBARDI JACK P
- Assignee: Jack P Lombardi
- Current Assignee: Jack P Lombardi
- Priority: US43859565 1965-03-10
- Main IPC: B21C37/20
- IPC: B21C37/20 ; F16L9/06
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