GAS SHIELDING DEVICE FOR WELDING FOR PIPE MAKING,申请号JP19890147353-传众专利搜索

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发明名称	GAS SHIELDING DEVICE FOR WELDING FOR PIPE MAKING
摘要
申请公布号	JPH0313278(A)	申请公布日期	1991.01.22
申请号	JP19890147353	申请日期	1989.06.09
申请人	SUMITOMO METAL IND LTD	发明人	HIKITA TOSHIHIRO;TAKAMADATE CHIHARU;YOSHIKAWA HIROYUKI;MIYAMOTO ATSUSHI
分类号	B23K13/06	主分类号	B23K13/06
代理机构		代理人
主权项
地址

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