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发明名称
Railway tie remover
摘要
申请公布号
US2339399(A)
申请公布日期
1944.01.18
申请号
US19430503295
申请日期
1943.09.21
申请人
HENRICKS CLARENCE W
发明人
HENRICKS CLARENCE W.
分类号
E01B29/10
主分类号
E01B29/10
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代理人
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