METHOD OF FABRICATING STEEL PIPES FOR OIL WELL HAVING COLLAPSING STRENGTH,申请号JP19760127762-传众专利搜索

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发明名称	METHOD OF FABRICATING STEEL PIPES FOR OIL WELL HAVING COLLAPSING STRENGTH
摘要
申请公布号	JPS5353564(A)	申请公布日期	1978.05.16
申请号	JP19760127762	申请日期	1976.10.26
申请人	KAWASAKI STEEL CO	发明人	ISHIMOTO SEIJI;YAMAGATA MITSUKUNI;TAKITANI KEIICHIROU;KUROKAWA HIROMU;NISHI HIROSHI
分类号	B21D51/16;B21D31/00	主分类号	B21D51/16
代理机构		代理人
主权项
地址

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