MANUFACTURE OF HOLLOW CORE,申请号JP19890180873-传众专利搜索

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发明名称	MANUFACTURE OF HOLLOW CORE
摘要
申请公布号	JPH0347650(A)	申请公布日期	1991.02.28
申请号	JP19890180873	申请日期	1989.07.13
申请人	NIPPON KAGAKU ENG:KK	发明人	MIYAZAWA NOBUO;TAGUCHI CHOBE
分类号	B22C9/10	主分类号	B22C9/10
代理机构		代理人
主权项
地址

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