METHOD FOR FORMING FIN OR RUGGEDNESS ON WELDED HEAT TRANSFER PIPE,申请号JP19870267420-传众专利搜索

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发明名称	METHOD FOR FORMING FIN OR RUGGEDNESS ON WELDED HEAT TRANSFER PIPE
摘要
申请公布号	JPH01113115(A)	申请公布日期	1989.05.01
申请号	JP19870267420	申请日期	1987.10.23
申请人	FURUKAWA ELECTRIC CO LTD:THE	发明人	YOSHIDA YASUHIKO;KAWAGUCHI HIROSHI;YOSHIDA HIDETO
分类号	B21C37/15;B21D53/06	主分类号	B21C37/15
代理机构		代理人
主权项
地址

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