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发明名称
Rail coupling
摘要
申请公布号
US1755224(A)
申请公布日期
1930.04.22
申请号
US19280313129
申请日期
1928.10.17
申请人
HARRY I. NEAMAN;JAMES M. MAGEE
发明人
PALMER JOHN V.
分类号
E01B11/62
主分类号
E01B11/62
代理机构
代理人
主权项
地址
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