Invention Grant
- Patent Title: Deep well pumping apparatus
- Patent Title (中): 深井泵送装置
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Application No.: US54635666Application Date: 1966-04-29
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Publication No.: US3345950APublication Date: 1967-10-10
- Inventor: BENDER EMIL A
- Applicant: BENDER EMIL A
- Assignee: Emil A Bender
- Current Assignee: Emil A Bender
- Priority: US54635666 1966-04-29
- Main IPC: F04B47/00
- IPC: F04B47/00
Information query
