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发明名称
Hygrometric instrument
摘要
申请公布号
US2528018(A)
申请公布日期
1950.10.31
申请号
US19490081063
申请日期
1949.03.12
申请人
CHARLES STEWART FREDERICK
发明人
STEWART FREDERICK CHARLES
分类号
G01N19/10
主分类号
G01N19/10
代理机构
代理人
主权项
地址
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