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公开(公告)号：US773923A
公开(公告)日：1904-11-01
申请号：US1901215399
申请日：1901-10-22
Applicant: MORGANS AND WILCOX MFG COMPANY
Inventor： CARL CHARLES P , HANFBAUER CHARLES J
CPC classification number: B41F27/04
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