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经营范围
发明名称
MASS FLOW METER USING TANDEM ROTORS
摘要
申请公布号
CA625495(A)
申请公布日期
1961.08.15
申请号
CAD625495
申请日期
申请人
DAVID M. POTTER
发明人
DAVID M. POTTER
分类号
主分类号
代理机构
代理人
主权项
地址
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