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发明名称
Method and means for indicating the specific gravity of flowing fluids
摘要
申请公布号
US2348733(A)
申请公布日期
1944.05.16
申请号
US19430472452
申请日期
1943.01.15
申请人
FISCHER & PORTER COMPANY
发明人
FISCHER KERMIT
分类号
G01N9/32
主分类号
G01N9/32
代理机构
代理人
主权项
地址
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