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公开(公告)号：US3001887A
公开(公告)日：1961-09-26
申请号：US68506757
申请日：1957-09-20
Applicant: MEAD CORP
Inventor： AHLM JR CARL E , BROOKBANK JR EARL B
CPC classification number: B42D25/29 , Y10T428/24835
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公开(公告)号：US3020176A
公开(公告)日：1962-02-06
申请号：US72110658
申请日：1958-03-13
Applicant: MEAD CORP
Inventor： ROBINSON JAMES V , BROOKBANK JR EARL B
IPC: D21H19/62
CPC classification number: D21H19/62 , Y10T428/31993
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