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发明名称
METALLIC MATERIAL HAVING ULTRA-FINE GRAIN STRUCTURE AND METHOD FOR ITS MANUFACTURE
摘要
申请公布号
US5080727(A)
申请公布日期
1992.01.14
申请号
US19890446457
申请日期
1989.12.05
申请人
SUMITOMO METAL INDUSTRIES, LTD.
发明人
AIHARA, KENJI;HAYASHI, CHIHIRO;TSUKAMOTO, TAKASHI;MURAI, NOBUHIRO;HAGITA, HYOJI
分类号
B21B1/02;B21B1/18;B21B3/00;B21B45/00;C21D8/00;C22F1/10;C22F1/18
主分类号
B21B1/02
代理机构
代理人
主权项
地址
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