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经营范围
发明名称
Automatic impurity detector
摘要
申请公布号
US2958223(A)
申请公布日期
1960.11.01
申请号
US19560578604
申请日期
1956.04.17
申请人
TEXACO INC.
发明人
HUBBY LAURENCE M.
分类号
G01N33/28
主分类号
G01N33/28
代理机构
代理人
主权项
地址
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