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发明名称
摘要
申请公布号
JPH0579001(B2)
申请公布日期
1993.11.01
申请号
JP19870039242
申请日期
1987.02.24
申请人
NGK INSULATORS LTD
发明人
BABA TOSHIO;MATSUSHITA HAJIME;KATSURAGAWA SEIJI
分类号
B28B3/20;B28B3/22;B28C5/14;B30B11/24;(IPC1-7):B28B3/20
主分类号
B28B3/20
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代理人
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