Invention Grant
- Patent Title: Combined conveyer and staircase.
- Patent Title (中): 组合式输送机和平台。
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Application No.: US1906348518Application Date: 1906-12-19
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Publication No.: US848774APublication Date: 1907-04-02
- Inventor: SCHWAB MARTIN C
- Applicant: GRAVITY CONVEYOR COMPANY
- Assignee: Gravity Conveyor Company
- Current Assignee: Gravity Conveyor Company
- Priority: US1905263328 1905-06-01; US1906348518 1906-12-19
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