INSIDE SURFACE FINISHING DEVICE OF WELDED PIPE,申请号JP19790133687-传众专利搜索

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发明名称	INSIDE SURFACE FINISHING DEVICE OF WELDED PIPE
摘要
申请公布号	JPS5656725(A)	申请公布日期	1981.05.18
申请号	JP19790133687	申请日期	1979.10.16
申请人	MITSUI SHIPBUILDING ENG	发明人	KANEKO TAKAFUMI
分类号	B21C37/30;B23D1/00;B23D1/24	主分类号	B21C37/30
代理机构		代理人
主权项
地址

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