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发明名称
Brake beam safety support
摘要
申请公布号
US2031691(A)
申请公布日期
1936.02.25
申请号
US19350011411
申请日期
1935.03.16
申请人
RAILWAY DEVICES COMPANY
发明人
CAMPBELL STERLING H.;PIETZSCH FRANK H.
分类号
B61H13/36
主分类号
B61H13/36
代理机构
代理人
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地址
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