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发明名称
ELECTRICALLY INSULATED RAIL JOINT
摘要
申请公布号
CA715902(A)
申请公布日期
1965.08.17
申请号
CAD715902
申请日期
申请人
POOR AND COMPANY
发明人
HORACE L. LANSING
分类号
主分类号
代理机构
代理人
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