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公开(公告)号：US3387451A
公开(公告)日：1968-06-11
申请号：US61874467
申请日：1967-02-27
Applicant: CHADBOURN GOTHAM INC
Inventor： CAPE FRANCIS B , BOBO JR FRANK E , MATTHEWS ROBERT M
IPC: D02G3/32
CPC classification number: D02G3/322
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