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发明名称
Cobalt bromide relative humidity indicators
摘要
申请公布号
US2460068(A)
申请公布日期
1949.01.25
申请号
US19450576719
申请日期
1945.02.07
申请人
THE DAVISON CHEMICAL CORPORATION
发明人
DAVIS PAUL BELL
分类号
G01N31/22
主分类号
G01N31/22
代理机构
代理人
主权项
地址
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