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发明名称
摘要
申请公布号
DE3616045(C2)
申请公布日期
1988.07.28
申请号
DE19863616045
申请日期
1986.05.13
申请人
NGK INSULATORS, LTD., NAGOYA, AICHI, JP
发明人
WATANABE, KEIICHIRO, NAGOYA, AICHI, JP;MATSUHISA, TADAAKI, KASUGAI, AICHI, JP
分类号
C04B35/195;(IPC1-7):C04B35/18
主分类号
C04B35/195
代理机构
代理人
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