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发明名称
摘要
申请公布号
CH676554(A5)
申请公布日期
1991.02.15
申请号
CH19870003691
申请日期
1987.09.24
申请人
DIPL.-ING. LEOPOLD ZWITTNIG
发明人
ZWITTNIG, LEOPOLD, DIPL.-ING.
分类号
B01D17/022;B01D17/025;B01D17/032;B01D17/04
主分类号
B01D17/022
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代理人
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