Invention Grant
- Patent Title: Check valve
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Application No.: US58617656Application Date: 1956-05-21
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Publication No.: US2912002APublication Date: 1959-11-10
- Inventor: MILLER CARL A
- Applicant: ECONOMICS LAB
- Assignee: Economics Lab
- Current Assignee: Economics Lab
- Priority: US58617656 1956-05-21
- Main IPC: F16K15/06
- IPC: F16K15/06
Information query
