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发明名称
Improvements in or relating to railway route setting apparatus
摘要
申请公布号
GB864030(A)
申请公布日期
1961.03.29
申请号
GB19570020226
申请日期
1957.06.26
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
B61L19/06;B61L19/14;B61L25/06
主分类号
B61L19/06
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代理人
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