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发明名称
Tabulating indicator
摘要
申请公布号
US2089350(A)
申请公布日期
1937.08.10
申请号
US19340753795
申请日期
1934.11.20
申请人
ROBERT WOLFF
发明人
EIBERT FRITZ
分类号
B41J21/18
主分类号
B41J21/18
代理机构
代理人
主权项
地址
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