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发明名称
摘要
申请公布号
JPH0241175(Y2)
申请公布日期
1990.11.01
申请号
JP19890044570U
申请日期
1989.04.18
申请人
发明人
分类号
B01D49/00;B07B7/04;D01G9/00;D01G9/06;D01G23/08;(IPC1-7):D01G9/06
主分类号
B01D49/00
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