Invention Grant
- Patent Title: Valve having multiple seating surfaces
- Patent Title (中): 阀具有多个座面
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Application No.: US27309263Application Date: 1963-04-15
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Publication No.: US3233863APublication Date: 1966-02-08
- Inventor: BOWEN JOHN C , WOLF ROBERT C
- Applicant: PRESSURE PRODUCTS IND INC
- Assignee: Pressure Products Ind Inc
- Current Assignee: Pressure Products Ind Inc
- Priority: US27309263 1963-04-15
- Main IPC: F16K1/42
- IPC: F16K1/42
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