METHOD OF MANUFACTURING THICK HIGH-STRENGTH STEEL PIPE FOR LOW TEMPERATURE SERVICE,申请号GB19760022256-传众专利搜索

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发明名称	METHOD OF MANUFACTURING THICK HIGH-STRENGTH STEEL PIPE FOR LOW TEMPERATURE SERVICE
摘要
申请公布号	GB1520552(A)	申请公布日期	1978.08.09
申请号	GB19760022256	申请日期	1976.05.28
申请人	NIPPON KOKAN KK	发明人
分类号	B23K9/025;B23K9/173;B23K31/02;B23K35/30;(IPC1-7):B23K9/16	主分类号	B23K9/025
代理机构		代理人
主权项
地址

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