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发明名称
Rail nipper
摘要
申请公布号
US1849178(A)
申请公布日期
1932.03.15
申请号
US19300499832
申请日期
1930.12.03
申请人
DIMETROFF THOMAS A
发明人
DIMETROFF THOMAS A.
分类号
E01B29/22
主分类号
E01B29/22
代理机构
代理人
主权项
地址
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