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经营范围
发明名称
VALVE MADE OF CERAMICS
摘要
申请公布号
JPS6361705(A)
申请公布日期
1988.03.17
申请号
JP19860207368
申请日期
1986.09.03
申请人
NGK SPARK PLUG CO LTD
发明人
SATO YASUFUMI;WATANABE SHOICHI
分类号
F01L3/02
主分类号
F01L3/02
代理机构
代理人
主权项
地址
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