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公开(公告)号：US2655885A
公开(公告)日：1953-10-20
申请号：US23611751
申请日：1951-07-11
Applicant: STANISLAW JOZWIAK , ROMAN DABROWSKI
Inventor： ROMAN DABROWSKI
CPC classification number: D05B23/005 , D05B1/24 , D05B23/003 , D05B29/06 , D05B35/00 , D05B57/00 , D05B85/006 , D05B85/06 , D05B85/10
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