MANUFACTURE OF OUTSIDE FINNED TUBE,申请号JP19880317229-传众专利搜索

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发明名称	MANUFACTURE OF OUTSIDE FINNED TUBE
摘要
申请公布号	JPH02160113(A)	申请公布日期	1990.06.20
申请号	JP19880317229	申请日期	1988.12.14
申请人	SUMITOMO METAL IND LTD	发明人	AKIYAMA MASAYOSHI;DOHARA TADASHI
分类号	B21C37/20	主分类号	B21C37/20
代理机构		代理人
主权项
地址

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