Invention Grant
- Patent Title: Machines for the manufacture of tubes
- Patent Title (中): 用于制造管子的机器
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Application No.: US80030659Application Date: 1959-03-18
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Publication No.: US3004135APublication Date: 1961-10-10
- Inventor: RICHARD DIENER , WERNER WENNEMANN
- Applicant: HOESCH ROHRWERKE AG
- Assignee: Hoesch Rohrwerke Ag
- Current Assignee: Hoesch Rohrwerke Ag
- Priority: DEH0032794 1958-03-24
- Main IPC: B21C37/12
- IPC: B21C37/12 ; B23K9/032
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