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发明名称
摘要
申请公布号
JPS5242885(B2)
申请公布日期
1977.10.27
申请号
JP19740142173
申请日期
1974.12.10
申请人
发明人
分类号
D01F9/22;D01F9/32
主分类号
D01F9/22
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代理人
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