MANUFACTURE OF HIGH DAMPING STEEL TUBE BEING EXCELLENT IN SECONDARY WORKABILITY,申请号JP19900280365-传众专利搜索

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发明名称	MANUFACTURE OF HIGH DAMPING STEEL TUBE BEING EXCELLENT IN SECONDARY WORKABILITY
摘要
申请公布号	JPH04157016(A)	申请公布日期	1992.05.29
申请号	JP19900280365	申请日期	1990.10.17
申请人	SUMITOMO METAL IND LTD	发明人	NAKAJIMA MINORU
分类号	B21C37/14;B23K11/11;B23K13/00	主分类号	B21C37/14
代理机构		代理人
主权项
地址

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