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经营范围
发明名称
Oxygen sensor
摘要
申请公布号
US5039972(A)
申请公布日期
1991.08.13
申请号
US19900522837
申请日期
1990.05.14
申请人
NGK INSULATORS, LTD.
发明人
KATO, NOBUHIDE;KATSU, MASANORI
分类号
G01N27/409;G01N27/12;G01N27/403;G01N27/406;G01N27/407;G01N27/416
主分类号
G01N27/409
代理机构
代理人
主权项
地址
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