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发明名称
摘要
申请公布号
JPS56164033(U)
申请公布日期
1981.12.05
申请号
JP19800062400U
申请日期
1980.05.06
申请人
发明人
分类号
B01D46/02;B02B7/00;B02B7/02;(IPC1-7):B02B7/02
主分类号
B01D46/02
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