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经营范围
发明名称
Raumecke
摘要
申请公布号
DE542908(C)
申请公布日期
1932.01.29
申请号
DENDATL077869D
申请日期
申请人
WILHELM LEMKE
发明人
分类号
G09B23/04
主分类号
G09B23/04
代理机构
代理人
主权项
地址
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