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经营范围
发明名称
Railway route-setting apparatus
摘要
申请公布号
GB769683(A)
申请公布日期
1957.03.13
申请号
GB19520032286
申请日期
1952.12.19
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
B61L19/06
主分类号
B61L19/06
代理机构
代理人
主权项
地址
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