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发明名称
摘要
申请公布号
JPS5146856(B1)
申请公布日期
1976.12.11
申请号
JP19710040294
申请日期
1971.06.08
申请人
发明人
分类号
D01F6/38;D01F6/54;(IPC1-7):D01F6/38
主分类号
D01F6/38
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