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发明名称
Gas concentration measurement
摘要
申请公布号
US2741911(A)
申请公布日期
1956.04.17
申请号
US19520307182
申请日期
1952.08.29
申请人
FITZPATRICK HUGH M;HACKLEROAD MARGARET F
发明人
FITZPATRICK HUGH M.;HACKLEROAD MARGARET F.
分类号
G01N7/14
主分类号
G01N7/14
代理机构
代理人
主权项
地址
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