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经营范围
发明名称
Differential refractometer
摘要
申请公布号
US2933974(A)
申请公布日期
1960.04.26
申请号
US19570636120
申请日期
1957.01.24
申请人
PHILLIPS PETROLEUM COMPANY
发明人
BROERMAN ARTHUR B.
分类号
G01N21/41
主分类号
G01N21/41
代理机构
代理人
主权项
地址
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