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发明名称
Rail fastener
摘要
申请公布号
US1995020(A)
申请公布日期
1935.03.19
申请号
US19300505241
申请日期
1930.12.29
申请人
WOODINGS-VERONA TOOL WORKS
发明人
WOODINGS EMANUEL
分类号
E01B9/48
主分类号
E01B9/48
代理机构
代理人
主权项
地址
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