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发明名称
AN OXYGEN CONCENTRATION MEASURING DEVICE
摘要
申请公布号
EP0259093(B1)
申请公布日期
1993.06.09
申请号
EP19870307543
申请日期
1987.08.26
申请人
NGK INSULATORS, LTD.
发明人
KODACHI, TORU;USAMI, JUN
分类号
G01N27/403;G01N27/406;G01N27/407;G01N27/416
主分类号
G01N27/403
代理机构
代理人
主权项
地址
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