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发明名称
Apparatus for loading rails and ties
摘要
申请公布号
US2077738(A)
申请公布日期
1937.04.20
申请号
US19340723113
申请日期
1934.04.30
申请人
BREAKER ERNEST R
发明人
BREAKER ERNEST R.
分类号
E01B29/05
主分类号
E01B29/05
代理机构
代理人
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