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发明名称
CERAMIC SOUND ABSORBING BOARD
摘要
申请公布号
JPH05195516(A)
申请公布日期
1993.08.03
申请号
JP19920007620
申请日期
1992.01.20
申请人
NGK INSULATORS LTD;AKECHI GAISHI KK
发明人
KATO TAKEO
分类号
E01F8/00;E01F8/02;G10K11/16;G10K11/162
主分类号
E01F8/00
代理机构
代理人
主权项
地址
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