MANUFACTURE OF TOUGH STEEL PIPE,申请号JP19770029901-传众专利搜索

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发明名称	MANUFACTURE OF TOUGH STEEL PIPE
摘要
申请公布号	JPS53114765(A)	申请公布日期	1978.10.06
申请号	JP19770029901	申请日期	1977.03.17
申请人	SUMITOMO METAL IND;SUMITOMO KAINAN KOKAN KK	发明人	UTAKOUJI MASARU;TATSUGAMI TAKESHI;IKUTOSHI TERUO;NISHIDA KAZUHIKO;TSUMURA TERUTAKA
分类号	B21B23/00;C21D1/78;C21D6/00;C21D8/10	主分类号	B21B23/00
代理机构		代理人
主权项
地址

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