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经营范围
发明名称
Release of shunting track routes
摘要
申请公布号
GB760800(A)
申请公布日期
1956.11.07
申请号
GB19530005570
申请日期
1953.02.27
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
B61L21/06
主分类号
B61L21/06
代理机构
代理人
主权项
地址
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