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公开(公告)号：US2641167A
公开(公告)日：1953-06-09
申请号：US18927150
申请日：1950-10-09
Applicant: ST REGIS PAPER CO
Inventor： FRANCO GRAMEGNA
IPC: B31B29/00
CPC classification number: B31B70/00 , B31B2150/00 , B31B2150/0014 , B31B2160/10 , B31B2160/20
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公开(公告)号：US2712275A
公开(公告)日：1955-07-05
申请号：US29831652
申请日：1952-07-11
Applicant: ST REGIS PAPER CO
Inventor： FRANCO GRAMEGNA
IPC: B31B29/00
CPC classification number: B31B2160/10 , B31B70/00 , B31B2150/00 , B31B2150/0014 , B31B2160/20 , Y10S493/936
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