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发明名称
Apparatus for gas analysis
摘要
申请公布号
US1922939(A)
申请公布日期
1933.08.15
申请号
US19310522079
申请日期
1931.03.12
申请人
ISAAC FAGELSTON
发明人
FAGELSTON ISAAC
分类号
G01N11/08
主分类号
G01N11/08
代理机构
代理人
主权项
地址
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