Invention Grant
- Patent Title: Tubular conveyors
- Patent Title (中): 管状输送机
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Application No.: US40001464Application Date: 1964-09-29
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Publication No.: US3250379APublication Date: 1966-05-10
- Inventor: LEACH JOHN M
- Applicant: LEACH JOHN M
- Assignee: John M Leach
- Current Assignee: John M Leach
- Priority: US40001464 1964-09-29
- Main IPC: B65G19/14
- IPC: B65G19/14
Information query
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