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发明名称
SLEEVE LINED PLUG VALVES
摘要
申请公布号
CA691476(A)
申请公布日期
1964.07.28
申请号
CAD691476
申请日期
申请人
THE DURIRON COMPANY
发明人
JACOB B. FREED
分类号
主分类号
代理机构
代理人
主权项
地址
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