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发明名称
摘要
申请公布号
JPS5810494(B2)
申请公布日期
1983.02.25
申请号
JP19740069249
申请日期
1974.06.19
申请人
KENNECOTT CORP
发明人
JEEMUSU EKONOMII;RYUI YUAN RIN;HARI NARASHIMA MAATEI
分类号
D01F9/20;C01B31/02;D01F9/12;D01F9/14;D01F9/24;D01F11/00
主分类号
D01F9/20
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