AUTOMATIC CIRCUMFERENTIAL WELDING EQUIPMENT OF PIPE,申请号JP19800026870-传众专利搜索

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发明名称	AUTOMATIC CIRCUMFERENTIAL WELDING EQUIPMENT OF PIPE
摘要
申请公布号	JPS55149795(A)	申请公布日期	1980.11.21
申请号	JP19800026870	申请日期	1980.03.04
申请人	OSAKA TRANSFORMER CO LTD	发明人	OKADA TOSHIHIKO;YAMADA SHIGEKI
分类号	B23K9/028	主分类号	B23K9/028
代理机构		代理人
主权项
地址

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