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发明名称
摘要
申请公布号	JPH0320455(B2)	申请公布日期	1991.03.19
申请号	JP19860170492	申请日期	1986.07.18
申请人	SHOWA ALUMINIUM CO LTD	发明人	SAKAGUCHI MASASHI;NAGATOMO KATSUYUKI;MATOBA TOSHUKI
分类号	C22C21/02;C22C21/00	主分类号	C22C21/02
代理机构		代理人
主权项
地址

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