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经营范围
发明名称
Proportioning flow in pipes
摘要
申请公布号
GB2007388(A)
申请公布日期
1979.05.16
申请号
GB19780035947
申请日期
1978.09.07
申请人
NORTHERN ENG INDUSTRIES LTD
发明人
分类号
F15D1/02;F22B37/74;G05D11/03;(IPC1-7):F15D1/02;G05D16/00
主分类号
F15D1/02
代理机构
代理人
主权项
地址
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