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公开(公告)号：US794973A
公开(公告)日：1905-07-18
申请号：US1905251460
申请日：1905-03-22
Applicant: F A NEIDER COMPANY
Inventor： FRESCHL ALFRED
CPC classification number: B42F3/00 , Y10S24/902 , Y10T24/498
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