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发明名称
CERAMIC VALVE SEATS
摘要
申请公布号
EP0259023(B1)
申请公布日期
1990.07.04
申请号
EP19870307017
申请日期
1987.08.07
申请人
NGK INSULATORS, LTD.
发明人
ODA, ISO;ISHIDA, YOSHIHIKO
分类号
F01L3/02;F01L3/22;G01N3/02;G01N19/04
主分类号
F01L3/02
代理机构
代理人
主权项
地址
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