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公开(公告)号:US2366112A
公开(公告)日:1944-12-26
申请号:US41996241
申请日:1941-11-21
Applicant: WILLIAM JOKEL
Inventor: WILLIAM JOKEL
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公开(公告)号:US2475968A
公开(公告)日:1949-07-12
申请号:US57182445
申请日:1945-01-08
Applicant: WILLIAM JOKEL
Inventor: WILLIAM JOKEL
CPC classification number: B01D29/01 , B01D29/66 , B01D2201/0407 , B01D2201/0461
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