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发明名称
Sheet record machine
摘要
申请公布号
US2926983(A)
申请公布日期
1960.03.01
申请号
US19550488093
申请日期
1955.02.14
申请人
MCGRAW-EDISON COMPANY
发明人
FRITZINGER GEORGE H.
分类号
主分类号
代理机构
代理人
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