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发明名称
Railway switch
摘要
申请公布号
US3310004(A)
申请公布日期
1967.03.21
申请号
US19650425714
申请日期
1965.01.15
申请人
SOCIETE ANONYME SAFEGE-TRANSPORT
发明人
CHADENSON LUCIEN FELIX
分类号
E01B25/00
主分类号
E01B25/00
代理机构
代理人
主权项
地址
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