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公开(公告)号：US1105758A
公开(公告)日：1914-08-04
申请号：US1913791196
申请日：1913-09-22
Applicant: CLIPPINGER CECIL E , SMITH JOHN A
Inventor： CLIPPINGER CECIL E , SMITH JOHN A
CPC classification number: B41B1/18
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