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经营范围
发明名称
SPARK PLUG FOR INTERNAL COMBUSTION ENGINE
摘要
申请公布号
JPH0458488(A)
申请公布日期
1992.02.25
申请号
JP19900164175
申请日期
1990.06.25
申请人
NGK SPARK PLUG CO LTD
发明人
YAMADA SHIGEYASU
分类号
H01T13/18
主分类号
H01T13/18
代理机构
代理人
主权项
地址
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