METHOD FOR REDUCING RESIDUAL MAGNETISM IN WELDED STEEEL PIPE LONGITUDINALLY SEAMWELDED FROM INSIDE,申请号GB19770014079-传众专利搜索

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发明名称	METHOD FOR REDUCING RESIDUAL MAGNETISM IN WELDED STEEEL PIPE LONGITUDINALLY SEAMWELDED FROM INSIDE
摘要
申请公布号	GB1552902(A)	申请公布日期	1979.09.19
申请号	GB19770014079	申请日期	1977.04.04
申请人	NIPPON KOKAN KK	发明人
分类号	B23K9/08;B23K9/025;H01F13/00;(IPC1-7):B23K9/08	主分类号	B23K9/08
代理机构		代理人
主权项
地址

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