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发明名称
HOPPER DISCHARGE OUTLET CONSTRUCTION
摘要
申请公布号
CA638526(A)
申请公布日期
1962.03.20
申请号
CAD638526
申请日期
申请人
ENTERPRISE RAILWAY EQUIPMENT COMPANY
发明人
GEORGE E. DATH
分类号
主分类号
代理机构
代理人
主权项
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