Invention Grant
- Patent Title: Blind gasket
- Patent Title (中): 盲垫
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Application No.: US64941532Application Date: 1932-12-29
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Publication No.: US1979806APublication Date: 1934-11-06
- Inventor: MATHEWS WALLACE B
- Applicant: STANDARD OIL CO
- Assignee: Standard Oil Co
- Current Assignee: Standard Oil Co
- Priority: US64941532 1932-12-29
- Main IPC: F16K3/312
- IPC: F16K3/312 ; F16L55/10
Information query
