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发明名称
Potentiometric indicator
摘要
申请公布号
US2011315(A)
申请公布日期
1935.08.13
申请号
US19330702540
申请日期
1933.12.15
申请人
WARD GILBERT ROSWELL
发明人
GILBERT ROSWELL WARD
分类号
G01R17/02
主分类号
G01R17/02
代理机构
代理人
主权项
地址
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