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公开(公告)号：US3173592A
公开(公告)日：1965-03-16
申请号：US29566363
申请日：1963-07-17
Applicant: ST REGIS PAPER CO
Inventor： HERBST PHILIP J
IPC: B31B50/68
CPC classification number: B31B50/00 , B31B50/684
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