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发明名称
ANORDNUNG ZUR MELDUNG VON ZUGNUMMERN IN STELLWERKEN
摘要
申请公布号
DE1755973(B2)
申请公布日期
1972.07.20
申请号
DE19681755973
申请日期
1968.07.18
申请人
发明人
分类号
B61L25/04;(IPC1-7):B61L25/04
主分类号
B61L25/04
代理机构
代理人
主权项
地址
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