METHOD FOR DISCRIMINATING DEFECT OF ELECTRIC WELDED STEEL PIPE,申请号JP19840150323U-传众专利搜索

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发明名称	METHOD FOR DISCRIMINATING DEFECT OF ELECTRIC WELDED STEEL PIPE
摘要
申请公布号	JPS61173152(U)	申请公布日期	1986.10.28
申请号	JP19840150323U	申请日期	1984.10.03
申请人		发明人
分类号	H01L31/12;(IPC1-7):H01L31/12	主分类号	H01L31/12
代理机构		代理人
主权项
地址

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