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发明名称
Bottom rod safety guard
摘要
申请公布号
US2077547(A)
申请公布日期
1937.04.20
申请号
US19320621767
申请日期
1932.07.11
申请人
CHICAGO RAILWAY EQUIPMENT COMPANY
发明人
BUSSE EDWIN G.
分类号
B61H13/34
主分类号
B61H13/34
代理机构
代理人
主权项
地址
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