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公开(公告)号：US2991823A
公开(公告)日：1961-07-11
申请号：US73575958
申请日：1958-05-16
Applicant: ST REGIS PAPER CO
Inventor： THORMOD JENSEN , CLOCK VIRGIL J
IPC: B65C1/02
CPC classification number: B65C1/025 , Y10T156/1712
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