MANUFACTURE OF RING ARTICLE HAVING PROTRUSION ON PERIPHERAL PART BY PLASTIC WORKING,申请号JP19870194602-传众专利搜索

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发明名称	MANUFACTURE OF RING ARTICLE HAVING PROTRUSION ON PERIPHERAL PART BY PLASTIC WORKING
摘要
申请公布号	JPS6440128(A)	申请公布日期	1989.02.10
申请号	JP19870194602	申请日期	1987.08.04
申请人	MITSUBISHI METAL CORP	发明人	YAMAZAKI SATOSHI;MACHIDA SUSUMU;KATO MASAAKI
分类号	B21H1/06	主分类号	B21H1/06
代理机构		代理人
主权项
地址

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