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发明名称
摘要
申请公布号	JP2907516(B2)	申请公布日期	1999.06.21
申请号	JP19900237619	申请日期	1990.09.07
申请人	HITACHI KIDEN KOGYO KK	发明人	HIRAI ATSUO;MUTO EIICHI;TSUDA TOSHIAKI
分类号	C02F11/12;B30B9/06;B30B9/28;(IPC1-7):B30B9/28	主分类号	C02F11/12
代理机构		代理人
主权项
地址

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