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Check writer
摘要
申请公布号
US1909141(A)
申请公布日期
1933.05.16
申请号
US19310546452
申请日期
1931.06.24
申请人
INTERNATIONAL REGISTER COMPANY
发明人
WOODWARD ARTHUR H.;RICHMOND WILLIAM E.
分类号
B41K3/00
主分类号
B41K3/00
代理机构
代理人
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