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经营范围
发明名称
TANKAKEISOSHOKETSUTAIHYOMENNOKINZOKUKAHO
摘要
申请公布号
JPH0248515(B2)
申请公布日期
1990.10.25
申请号
JP19820032595
申请日期
1982.03.01
申请人
NGK SPARK PLUG CO
发明人
KANBE ROKURO;IMAI TAKAHARU
分类号
C04B41/90;C04B41/51;C04B41/52;C23C14/18
主分类号
C04B41/90
代理机构
代理人
主权项
地址
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