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发明名称
Fahrdrahtkreuzung fuer elektrische Bahnen
摘要
申请公布号
DE721070(C)
申请公布日期
1942.05.23
申请号
DE1940S140204D
申请日期
1940.02.20
申请人
SIEMENS-SCHUCKERTWERKE AG.
发明人
WULFF HERBERT
分类号
B60M1/14
主分类号
B60M1/14
代理机构
代理人
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地址
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