PRODUCTION DEVICE OF METALLIC FINE BALL AND PRODUCTION THEREOF,申请号JP19970143729-传众专利搜索

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发明名称	PRODUCTION DEVICE OF METALLIC FINE BALL AND PRODUCTION THEREOF
摘要
申请公布号	JPH10330807(A)	申请公布日期	1998.12.15
申请号	JP19970143729	申请日期	1997.06.02
申请人	NEC CORP	发明人	ISOZAKI SEIYA
分类号	B21D43/00;B22F1/00;B22F9/04;B22F9/08;H01L21/321;H01L21/60;(IPC1-7):B22F9/08	主分类号	B21D43/00
代理机构		代理人
主权项
地址

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