MANUFACTURE OF TUBE HAVING GROOVES ON INSIDE SURFACE,申请号JP19890176800-传众专利搜索

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发明名称	MANUFACTURE OF TUBE HAVING GROOVES ON INSIDE SURFACE
摘要
申请公布号	JPH0342112(A)	申请公布日期	1991.02.22
申请号	JP19890176800	申请日期	1989.07.07
申请人	SUMITOMO LIGHT METAL IND LTD	发明人	IIJIMA SHIGEO;SUZUKI SHOJI;MORITA HIROYUKI
分类号	B21C1/04;B21C1/22	主分类号	B21C1/04
代理机构		代理人
主权项
地址

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