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公开(公告)号：US2640583A
公开(公告)日：1953-06-02
申请号：US20554451
申请日：1951-01-11
Applicant: J H DAY COMPANY INC
Inventor： RECHTIN CLARENCE R , BRUESTLE WILLIAM P
IPC: A21C13/02
CPC classification number: A21C13/02
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公开(公告)号：US2638364A
公开(公告)日：1953-05-12
申请号：US18757650
申请日：1950-09-29
Applicant: J H DAY COMPANY INC
Inventor： RECHTIN CLARENCE R
CPC classification number: F16J15/183 , B01F2015/00084 , Y10S251/90
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