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发明名称
Moisture indicator
摘要
申请公布号
US2431742(A)
申请公布日期
1947.12.02
申请号
US19430484501
申请日期
1943.04.24
申请人
FARNSWORTH RESEARCH CORPORATION
发明人
ESSIG SANFORD F.
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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