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发明名称
Temperature compensator for refractometers
摘要
申请公布号
US2427996(A)
申请公布日期
1947.09.23
申请号
US19440556271
申请日期
1944.09.28
申请人
AMERICAN CYANAMID COMPANY
发明人
SEAMAN WILLIAM
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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