PRODUCTION OF SEAMED PIPE,申请号JP19780077828-传众专利搜索

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发明名称	PRODUCTION OF SEAMED PIPE
摘要
申请公布号	JPS555165(A)	申请公布日期	1980.01.16
申请号	JP19780077828	申请日期	1978.06.26
申请人	SUMITOMO METAL IND	发明人	HIRAOKA NOBUAKI
分类号	B21C37/06;B21C37/08;B23K20/00	主分类号	B21C37/06
代理机构		代理人
主权项
地址

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