Invention Grant
- Patent Title: Valve insides
- Patent Title (中): 阀门内部
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Application No.: US57971931Application Date: 1931-12-08
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Publication No.: US2097614APublication Date: 1937-11-02
- Inventor: BRONSON ADELBERT E
- Applicant: DILL MFG CO
- Assignee: Dill Mfg Co
- Current Assignee: Dill Mfg Co
- Priority: US57971931 1931-12-08
- Main IPC: F16K15/20
- IPC: F16K15/20
Information query
