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公开(公告)号：US2535462A
公开(公告)日：1950-12-26
申请号：US4240448
申请日：1948-08-04
Applicant: IND RES LAB
Inventor： STOELTING CARL R , STAMBERG OLOF E , VILTER ERNEST F
IPC: A23G9/16
CPC classification number: A23G9/16
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