PRODUCTION OF HEAT EXCHANGER PIPE,申请号JP19790066181-传众专利搜索

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发明名称	PRODUCTION OF HEAT EXCHANGER PIPE
摘要
申请公布号	JPS55158826(A)	申请公布日期	1980.12.10
申请号	JP19790066181	申请日期	1979.05.30
申请人	HITACHI LTD	发明人	NAKAYAMA HISASHI;NAKASHIMA TADAKATSU
分类号	B21C37/12;B21C37/15	主分类号	B21C37/12
代理机构		代理人
主权项
地址

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