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发明名称
Frame structure for discharge opening of a railway car hopper
摘要
申请公布号
US2738736(A)
申请公布日期
1956.03.20
申请号
US19510261344
申请日期
1951.12.12
申请人
ENTERPRISE RAILWAY EQUIPMENT COMPANY
发明人
DOREY GEORGE B.
分类号
B61D7/20
主分类号
B61D7/20
代理机构
代理人
主权项
地址
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