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公开(公告)号:US2605056A
公开(公告)日:1952-07-29
申请号:US57392845
申请日:1945-01-22
Applicant: DE KANSKI LEON M , HERSHEL TOOMIM
Inventor: DE KANSKI LEON M , HERSHEL TOOMIM
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公开(公告)号:US2309172A
公开(公告)日:1943-01-26
申请号:US32757640
申请日:1940-04-03
Applicant: DE KANSKI LEON M
Inventor: DE KANSKI LEON M
IPC: B06B1/16
CPC classification number: B06B1/167 , Y10T74/18344
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公开(公告)号:US2309171A
公开(公告)日:1943-01-26
申请号:US22922638
申请日:1938-09-09
Applicant: DE KANSKI LEON M
Inventor: DE KANSKI LEON M
IPC: B06B3/00
CPC classification number: B06B3/00 , Y10T74/18344
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