Invention Grant
- Patent Title: Scaling apparatus
- Patent Title (中): 缩放装置
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Application No.: US58518966Application Date: 1966-10-07
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Publication No.: US3414978APublication Date: 1968-12-10
- Inventor: PROW ROBERT M
- Applicant: ROBERT M. PROW
- Assignee: Robert M. Prow
- Current Assignee: Robert M. Prow
- Priority: US58518966 1966-10-07
- Main IPC: B27L1/00
- IPC: B27L1/00
Information query
