MANUFACTURE OF METALLIC TUBE HAVING INTERNAL AND EXTERNAL FINS,申请号JP19890170022-传众专利搜索

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发明名称	MANUFACTURE OF METALLIC TUBE HAVING INTERNAL AND EXTERNAL FINS
摘要
申请公布号	JPH0335832(A)	申请公布日期	1991.02.15
申请号	JP19890170022	申请日期	1989.06.30
申请人	SHOWA ALUM CORP	发明人	TAGA KAZUO
分类号	B21C37/15;B21C37/20;B21H3/00	主分类号	B21C37/15
代理机构		代理人
主权项
地址

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