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发明名称
FREMGANGSMAATE FOR EKSTRAKSJON AV ALUMINIUMOKSYD FRA ALUMINIUMOKSYDHOLDIGE MALMER
摘要
申请公布号
NO143423(B)
申请公布日期
1980.11.03
申请号
NO19750003237
申请日期
1975.09.23
申请人
SUMITOMO ALUMINIUM SMELTING CO, LTD,
发明人
YAMADA, KOICHI,;YOSHIHARA, MASAO,;ISHIDA, TAKAHIRO,
分类号
C01F7/06;C22B21/00;(IPC1-7):C01F7/06
主分类号
C01F7/06
代理机构
代理人
主权项
地址
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