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公开(公告)号：US3327737A
公开(公告)日：1967-06-27
申请号：US40850164
申请日：1964-11-03
Applicant: LEESONA CORP
Inventor： SCHEDIN ROBERT S , JOSEPHSON CARL A
IPC: D03D45/20
CPC classification number: D03D45/20
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