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发明名称
SPARK-PROOF SYSTEM FOR REMOTE METHANE CONCENTRATION MEASUREMENTCENTRACII METANA
摘要
申请公布号
PL119541(B1)
申请公布日期
1982.01.30
申请号
PL19780209700
申请日期
1978.09.20
申请人
发明人
分类号
G01N;G01N1/22;G08C;G08C19/12;(IPC1-7):G01N1/22
主分类号
G01N
代理机构
代理人
主权项
地址
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