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公开(公告)号：US3092150A
公开(公告)日：1963-06-04
申请号：US3199560
申请日：1960-05-26
Applicant: DEWAS RAYMOND
Inventor： JOSEF BIRMANS , HERBERT STEINERT
IPC: D03D47/00
CPC classification number: D03D47/00 , D03D2700/1413
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