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经营范围
发明名称
Tabulating board
摘要
申请公布号
US2131266(A)
申请公布日期
1938.09.27
申请号
US19350018360
申请日期
1935.04.26
申请人
OTTO BLITZ
发明人
BLITZ OTTO
分类号
B41L3/14
主分类号
B41L3/14
代理机构
代理人
主权项
地址
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