DEVICE FOR CUTTING EDGES OF MATERIAL TO BE WELDED INTO PIPE,申请号JP19770073487-传众专利搜索

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发明名称	DEVICE FOR CUTTING EDGES OF MATERIAL TO BE WELDED INTO PIPE
摘要
申请公布号	JPS549082(A)	申请公布日期	1979.01.23
申请号	JP19770073487	申请日期	1977.06.21
申请人	NIPPON STEEL CORP	发明人	TSUKAMURA TAKAO;IJICHI TERUO
分类号	B23D1/22;B23D1/20	主分类号	B23D1/22
代理机构		代理人
主权项
地址

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