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经营范围
发明名称
Electromagnetic flowmeter
摘要
申请公布号
US3191436(A)
申请公布日期
1965.06.29
申请号
US19610162365
申请日期
1961.12.27
申请人
NORTH AMERICAN AVIATION, INC.
发明人
DAVIS KARL A.
分类号
G01F1/58
主分类号
G01F1/58
代理机构
代理人
主权项
地址
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