Invention Grant
- Patent Title: Safety casting device
- Patent Title (中): 安全浇注装置
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Application No.: US1880435Application Date: 1935-04-29
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Publication No.: US2070975APublication Date: 1937-02-16
- Inventor: CRAWFORD PARK
- Applicant: CRAWFORD PARK
- Assignee: Park Crawford
- Current Assignee: Park Crawford
- Priority: US1880435 1935-04-29
- Main IPC: B41D3/00
- IPC: B41D3/00
Information query
