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91.Water treatment process for improved gravity filtering and backwashing 失效
Title translation: 改进重力过滤和回水的水处理工艺公开(公告)号:US3506125A
公开(公告)日:1970-04-14
申请号:US3506125D
申请日:1967-09-15
Applicant: RODERICK M WILLIS , CHARLES L OLDFATHER
Inventor: WILLIS RODERICK M , OLDFATHER CHARLES L
CPC classification number: C02F1/645 , B01D24/22 , B01D24/4631 , B01D2201/087 , C02F1/001 , C02F1/24
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公开(公告)号:US3356220A
公开(公告)日:1967-12-05
申请号:US38406064
申请日:1964-07-21
Applicant: INDUSTRIAL FILTER PUMP MFG CO
Inventor: ZIEVERS JAMES F
CPC classification number: B01D24/16 , B01D24/4631 , B01D2201/087
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公开(公告)号:US3321082A
公开(公告)日:1967-05-23
申请号:US37818464
申请日:1964-06-26
Applicant: AQUARIUMS INC
Inventor: WILLINGER ALLAN H
IPC: A01K63/04 , B01D35/02 , B01D35/027 , C02F1/00
CPC classification number: B01D35/02 , A01K63/045 , B01D24/22 , B01D24/4631 , B01D2201/087
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公开(公告)号:US2879891A
公开(公告)日:1959-03-31
申请号:US66540457
申请日:1957-06-13
Applicant: PFAUDLER PERMUTIT INC
Inventor: BEOHNER HARRY L , MILLER JR DURANDO
IPC: B01D24/48
CPC classification number: B01D24/14 , B01D24/4636 , B01D2201/087 , B01D2201/206
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公开(公告)号:US2293051A
公开(公告)日:1942-08-18
申请号:US37612141
申请日:1941-01-27
Applicant: HUGH DUFFY CHARLES
Inventor: HUGH DUFFY CHARLES
IPC: B01L99/00
CPC classification number: B01D24/4631 , B01D24/12 , B01D2201/087 , B01D2201/206 , Y10T137/2897
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公开(公告)号:US2226870A
公开(公告)日:1940-12-31
申请号:US17357137
申请日:1937-11-09
Applicant: VULCAN MFG CO INC
Inventor: JAMES MCDEVITT HARRY
IPC: B01D41/02
CPC classification number: B01D41/02 , B01D24/4884 , B01D35/16 , B01D2201/087
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公开(公告)号:US1992101A
公开(公告)日:1935-02-19
申请号:US59362232
申请日:1932-02-17
Applicant: DONALD STUART LESLIE
Inventor: DONALD STUART LESLIE
CPC classification number: B01D29/46 , B01D25/00 , B01D37/02 , B01D2201/087
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公开(公告)号:US1554043A
公开(公告)日:1925-09-15
申请号:US61446023
申请日:1923-01-23
Applicant: SIRCH CHARLES W
Inventor: SIRCH CHARLES W
CPC classification number: B01D24/4631 , B01D24/12 , B01D2201/087
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公开(公告)号:US1165124A
公开(公告)日:1915-12-21
申请号:US1914831183
申请日:1914-04-11
Applicant: REISERT AUTOMATIC WATER PURIFYING COMPANY
Inventor: REISERT HANS
CPC classification number: B01D24/4631 , B01D24/12 , B01D2201/087
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