Invention Grant
- Patent Title: Comparison photometer and target therefor
- Patent Title (中): 比较光度计和目标
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Application No.: US41097764Application Date: 1964-11-13
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Publication No.: US3413066APublication Date: 1968-11-26
- Inventor: BIBER CONRAD H , TOPAZ JEREMY M
- Applicant: POLAROID CORP
- Assignee: Polaroid Corp
- Current Assignee: Polaroid Corp
- Priority: US41097764 1964-11-13
- Main IPC: G01J1/12
- IPC: G01J1/12 ; G01J1/42
Information query
