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发明名称
Hopper door operating mechanism
摘要
申请公布号
US2888883(A)
申请公布日期
1959.06.02
申请号
US19560596499
申请日期
1956.07.09
申请人
ENTERPRISE RAILWAY EQUIPMENT COMPANY
发明人
FRITZ WILLIAM E.;WILLARD GEORGE B.
分类号
B61D7/26
主分类号
B61D7/26
代理机构
代理人
主权项
地址
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