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公开(公告)号:US1688751A
公开(公告)日:1928-10-23
申请号:US26685928
申请日:1928-04-02
Applicant: CHARLES A KADING
Inventor: SCHNITGER EMIL R
CPC classification number: B01D35/28 , Y10T24/44291 , Y10T24/44325
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公开(公告)号:US1547761A
公开(公告)日:1925-07-28
申请号:US73070224
申请日:1924-08-07
Applicant: GUSTAVE KLOEHN
Inventor: GUSTAVE KLOEHN
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公开(公告)号:US2255573A
公开(公告)日:1941-09-09
申请号:US31742040
申请日:1940-02-05
Applicant: EDWARD TIMIAN , JOEL TIMIAN
Inventor: EDWARD TIMIAN , JOEL TIMIAN
CPC classification number: A01J11/06
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公开(公告)号:US2047876A
公开(公告)日:1936-07-14
申请号:US4942835
申请日:1935-11-12
Applicant: KNEPP JOHN D
Inventor: KNEPP JOHN D
IPC: A01J11/08
CPC classification number: A01J11/06 , Y10S206/821
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公开(公告)号:US1536890A
公开(公告)日:1925-05-05
申请号:US65304923
申请日:1923-07-21
Applicant: LAGEMANN GUSTAV P
Inventor: LAGEMANN GUSTAV P
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