Invention Grant
- Patent Title: Viscometer
- Patent Title (中): 粘度计
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Application No.: US9936036Application Date: 1936-09-04
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Publication No.: US2116765APublication Date: 1938-05-10
- Inventor: PAYNE ELMER H
- Applicant: STANDARD OIL CO
- Assignee: Standard Oil Co
- Current Assignee: Standard Oil Co
- Priority: US9936036 1936-09-04
- Main IPC: G01N11/06
- IPC: G01N11/06
Information query
