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公开(公告)号:US2834473A
公开(公告)日:1958-05-13
申请号:US33708953
申请日:1953-02-16
Applicant: INFILCO INC
Inventor: BATTEY EVERETT M
CPC classification number: B01D29/52 , B01D29/48 , B01D29/66 , B01D37/02 , B01D2201/0438
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公开(公告)号:US2872149A
公开(公告)日:1959-02-03
申请号:US34987853
申请日:1953-04-20
Applicant: INFILCO INC
Inventor: BATTEY EVERETT M , LIVNEY ILYA S
IPC: F16K31/126 , F16K31/528
CPC classification number: F16K31/52408 , F16K31/1262
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