Invention Grant
- Patent Title: Pressure filter and filter tube therefor
- Patent Title (中): 压滤机及过滤管
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Application No.: US8644761Application Date: 1961-02-01
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Publication No.: US3100190APublication Date: 1963-08-06
- Inventor: HOBSON JR RUSSELL B
- Applicant: PER CORPORATION
- Assignee: Per Corporation
- Current Assignee: Per Corporation
- Priority: US8644761 1961-02-01; CH378662 1962-03-29
- Main IPC: B01D29/00
- IPC: B01D29/00 ; B01D29/15 ; B01D37/02 ; B01D39/08
Information query
