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发明名称
DOOR MACHINE
摘要
申请公布号
CA576700(A)
申请公布日期
1959.05.26
申请号
CAD576700
申请日期
申请人
KOPPERS COMPANY
发明人
PAUL J. HOMAN
分类号
主分类号
代理机构
代理人
主权项
地址
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