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公开(公告)号：US2539016A
公开(公告)日：1951-01-23
申请号：US70023846
申请日：1946-09-30
Applicant: GROVES WALTER L , WRIGHT EDGAR J
Inventor： GROVES WALTER L , WRIGHT EDGAR J
CPC classification number: B65H35/0046 , B43M11/00
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公开(公告)号：US2024840A
公开(公告)日：1935-12-17
申请号：US73105034
申请日：1934-06-18
Applicant: WRIGHT EDGAR J
Inventor： WRIGHT EDGAR J
IPC: B41C3/00
CPC classification number: B41C3/00 , Y10S428/937 , Y10T428/12069 , Y10T428/12389
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