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公开(公告)号：US2903195A
公开(公告)日：1959-09-08
申请号：US66567657
申请日：1957-06-14
Applicant: PENLAND LEMUEL R , BEST LUTHER L , PEACHEY CHESTER J
Inventor： PENLAND LEMUEL R , BEST LUTHER L , PEACHEY CHESTER J
IPC: D01G27/00
CPC classification number: D01G27/00
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