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发明名称
r o. dgl.
摘要
申请公布号
DE691849(C)
申请公布日期
1940.06.06
申请号
DE193801S4852D
申请日期
1938.12.03
申请人
SIEMENS-SCHUCKERTWERKE AKT.-GES.
发明人
GEBHARDT WILHELM
分类号
G04C11/08
主分类号
G04C11/08
代理机构
代理人
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