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公开(公告)号：US5257967B1
公开(公告)日：1995-10-03
申请号：US98215192
申请日：1992-11-25
Applicant: DIAMOND ROLLER CORP
Inventor： GYSIN MAX
CPC classification number: B41N7/06 , B41N2207/02 , B41N2207/04 , B41N2207/14
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