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经营范围
发明名称
MEANS FOR SEALING HOPPER DOORS
摘要
申请公布号
CA811449(A)
申请公布日期
1969.04.29
申请号
CAD811449
申请日期
申请人
INTERNATIONAL EQUIPMENT COMPANY
发明人
HUGH H. PASE
分类号
主分类号
代理机构
代理人
主权项
地址
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