ROLLING METHOD FOR PIPE,申请号JP19800051778-传众专利搜索

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发明名称	ROLLING METHOD FOR PIPE
摘要
申请公布号	JPS56148406(A)	申请公布日期	1981.11.17
申请号	JP19800051778	申请日期	1980.04.21
申请人	NIPPON STEEL CORP	发明人	UCHIDA SHIGERU;WATANABE KAZUO;OZAWA KOUSAKU;KAWARADA MINORU
分类号	B21B17/00;B21B17/08	主分类号	B21B17/00
代理机构		代理人
主权项
地址

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