PRODUCTION OF ELECTRO-RESISTANCE-WELDED TUBE,申请号JP19900204616-传众专利搜索

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发明名称	PRODUCTION OF ELECTRO-RESISTANCE-WELDED TUBE
摘要
申请公布号	JPH0489130(A)	申请公布日期	1992.03.23
申请号	JP19900204616	申请日期	1990.07.31
申请人	SUMITOMO METAL IND LTD	发明人	KOBAYASHI JUNICHI
分类号	B21C37/08;B21C37/083	主分类号	B21C37/08
代理机构		代理人
主权项
地址

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