Invention Grant
- Patent Title: Digital measuring apparatus
- Patent Title (中): 数字测量仪器
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Application No.: US54673966Application Date: 1966-05-02
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Publication No.: US3417476APublication Date: 1968-12-24
- Inventor: MARTENS ALEXANDER E
- Applicant: BAUSCH & LOMB
- Assignee: Bausch & Lomb
- Current Assignee: Bausch & Lomb
- Priority: US54673966 1966-05-02
- Main IPC: G01B11/00
- IPC: G01B11/00 ; G07C3/14
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