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经营范围
发明名称
LOW NOISE SPARK PLUG
摘要
申请公布号
JPS52125949(A)
申请公布日期
1977.10.22
申请号
JP19760043431
申请日期
1976.04.15
申请人
HITACHI LTD
发明人
HARADA KOUJI
分类号
H01T13/20;H01T13/00
主分类号
H01T13/20
代理机构
代理人
主权项
地址
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Compounds
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