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公开(公告)号:US1575907A
公开(公告)日:1926-03-09
申请号:US46018721
申请日:1921-04-11
Applicant: GEN ENGINEERING CO
Inventor: LEGRAND GENTER ALBERT
CPC classification number: B01D35/16 , B01D29/395 , B01D29/52 , B01D35/12
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公开(公告)号:US1452151A
公开(公告)日:1923-04-17
申请号:US21814018
申请日:1918-02-19
Applicant: GEN ENGINEERING CO , ALBERT L GENTER
Inventor: LEGRAND GENTER ALBERT , CAMBELL JONES GEORGE
IPC: B01D29/11
CPC classification number: B01D29/114 , B01D29/52 , B01D29/66 , B01D29/90 , B01D2201/0446
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公开(公告)号:US1560796A
公开(公告)日:1925-11-10
申请号:US68389024
申请日:1924-01-02
Applicant: GEN ENGINEERING CO
Inventor: LEGRAND GENTER ALBERT
CPC classification number: B01D29/668 , B01D29/15 , B01D29/52 , B01D37/00 , B01D2201/0492
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公开(公告)号:US1359162A
公开(公告)日:1920-11-16
申请号:US29377419
申请日:1919-04-30
Applicant: GEN ENGINEERING CO
Inventor: LEGRAND GENTER ALBERT
IPC: B01D33/00
CPC classification number: B01D33/06 , B01D2201/16
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