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发明名称
摘要
申请公布号
FR2199482(A1)
申请公布日期
1974.04.12
申请号
FR19720033387
申请日期
1972.09.15
申请人
LANCY LESLIE,US
发明人
分类号
C02F1/461;C02F1/467;C25B9/00;(IPC1-7):B01K1/00;B01K3/00
主分类号
C02F1/461
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