PRODUCTION OF FORGE WELDED PIPE,申请号JP19900027241-传众专利搜索

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发明名称	PRODUCTION OF FORGE WELDED PIPE
摘要
申请公布号	JPH03234379(A)	申请公布日期	1991.10.18
申请号	JP19900027241	申请日期	1990.02.08
申请人	NKK CORP	发明人	KUROSAWA TOSHIYUKI;MITSUYOSHI KATSUHIKO;ITOJIMA KANJI;SHIBUTA TSUTOMU;AKIYAMA SHUNICHI
分类号	B23K20/00	主分类号	B23K20/00
代理机构		代理人
主权项
地址

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