CUTTING DEVICE FOR INTERNAL BEAD OF ELECTROSEAMED PIPE,申请号JP19790135525-传众专利搜索

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发明名称	CUTTING DEVICE FOR INTERNAL BEAD OF ELECTROSEAMED PIPE
摘要
申请公布号	JPS5662709(A)	申请公布日期	1981.05.28
申请号	JP19790135525	申请日期	1979.10.20
申请人	NIPPON STEEL CORP	发明人	SAGAWA TOSHIO
分类号	B23D1/24;B23D1/00	主分类号	B23D1/24
代理机构		代理人
主权项
地址

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