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经营范围
发明名称
ULTRASONIC FLOWMETER
摘要
申请公布号
GB8627436(D0)
申请公布日期
1986.12.17
申请号
GB19860027436
申请日期
1986.11.17
申请人
BRITISH GAS PLC
发明人
分类号
G01F1/66
主分类号
G01F1/66
代理机构
代理人
主权项
地址
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