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经营范围
发明名称
GESINTERTES ALUMINIUMOXIDPRODUKT
摘要
申请公布号
DE3405205(A1)
申请公布日期
1985.02.07
申请号
DE19843405205
申请日期
1984.02.14
申请人
NGK SPARK PLUG CO.,LTD.
发明人
KANDA,ATSUSHI;KATO,TATSUO;TAKAGI,SHUNICHI
分类号
C04B35/111;(IPC1-7):C04B35/10;C04B35/68
主分类号
C04B35/111
代理机构
代理人
主权项
地址
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