METHOD AND DEVICE FOR MULTI-CIRCUMFERENTIAL WELDING OF PIPE,申请号JP19890145169-传众专利搜索

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发明名称	METHOD AND DEVICE FOR MULTI-CIRCUMFERENTIAL WELDING OF PIPE
摘要
申请公布号	JPH0313270(A)	申请公布日期	1991.01.22
申请号	JP19890145169	申请日期	1989.06.09
申请人	ISHIKAWAJIMA HARIMA HEAVY IND CO LTD	发明人	YAMADA MINORU;SAITO TATSUO;TEJIMA AKIO;TANIOKA SHINICHI;OKUI NOBUYUKI;MURAYAMA TAKEHIRO;TAKAHASHI TAKAO;MAEDA MINORU
分类号	B23K9/028	主分类号	B23K9/028
代理机构		代理人
主权项
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