Invention Grant
- Patent Title: Negative and print densitometer
- Patent Title (中): 负和打印密度计
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Application No.: US35218064Application Date: 1964-03-16
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Publication No.: US3375751APublication Date: 1968-04-02
- Inventor: ENGBORG NELSON E , BEITZ RICHARD C
- Applicant: BARNES ENG CO
- Assignee: Barnes Eng Co
- Current Assignee: Barnes Eng Co
- Priority: US35218064 1964-03-16
- Main IPC: B41F33/00
- IPC: B41F33/00 ; G01N21/59
Information query
