Invention Grant
- Patent Title: Ferrule
- Patent Title (中): 套圈
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Application No.: US72966034Application Date: 1934-06-08
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Publication No.: US2069177APublication Date: 1937-01-26
- Inventor: CRAVER ALBERT F
- Applicant: CLEVELAND HEATER CO
- Assignee: Cleveland Heater Co
- Current Assignee: Cleveland Heater Co
- Priority: US72966034 1934-06-08
- Main IPC: F16L19/08
- IPC: F16L19/08 ; F16L19/10
Information query
