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经营范围
发明名称
Flow system for pipes, pipe fittings, ducts and ducting elements
摘要
申请公布号
GB9901575(D0)
申请公布日期
1999.03.17
申请号
GB19990001575
申请日期
1997.07.24
申请人
JANSEN, ROBERT C
发明人
分类号
F15D1/02;F16L55/00
主分类号
F15D1/02
代理机构
代理人
主权项
地址
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