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经营范围
发明名称
Rechenklassierer
摘要
申请公布号
DE670771(C)
申请公布日期
1939.01.25
申请号
DE1934D068928D
申请日期
1934.10.18
申请人
DORR GESELLSCHAFT M.B.H.
发明人
分类号
B03B5/50
主分类号
B03B5/50
代理机构
代理人
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