HEAT TREATMENT APPARATUS FOR WELDING PART IN ELECTRIC RESISTANCE SEAM WELDED TUBE,申请号JP19910174312-传众专利搜索

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发明名称	HEAT TREATMENT APPARATUS FOR WELDING PART IN ELECTRIC RESISTANCE SEAM WELDED TUBE
摘要
申请公布号	JPH04371523(A)	申请公布日期	1992.12.24
申请号	JP19910174312	申请日期	1991.06.18
申请人	SUMITOMO METAL IND LTD	发明人	OKA TAKAHIRO
分类号	C21D9/08;C21D9/50	主分类号	C21D9/08
代理机构		代理人
主权项
地址

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