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经营范围
发明名称
CIRCULAR DUCT CONNECTOR
摘要
申请公布号
EP0458062(A3)
申请公布日期
1992.01.08
申请号
EP19910106106
申请日期
1989.06.09
申请人
DUCTMATE INDUSTRIES, INC.
发明人
ARNOLDT, PETER J.
分类号
F16L23/08;(IPC1-7):F16L23/00
主分类号
F16L23/08
代理机构
代理人
主权项
地址
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