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经营范围
发明名称
GAS DETECTOR
摘要
申请公布号
JPH03293551(A)
申请公布日期
1991.12.25
申请号
JP19900096060
申请日期
1990.04.10
申请人
NGK SPARK PLUG CO LTD
发明人
MATSUOKA YOSHIHIRO;NASU MINEJI;TAKAMI AKIO
分类号
G01N27/12
主分类号
G01N27/12
代理机构
代理人
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地址
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