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经营范围
发明名称
Variable Area Flowmeters
摘要
申请公布号
GB2006441(A)
申请公布日期
1979.05.02
申请号
GB19780040281
申请日期
1978.10.12
申请人
ROSS INC WILL
发明人
分类号
G01F1/22;(IPC1-7):G01F1/22
主分类号
G01F1/22
代理机构
代理人
主权项
地址
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