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发明名称
摘要
申请公布号
FI44361(B)
申请公布日期
1971.06.30
申请号
FI19650001966
申请日期
1965.08.17
申请人
ENVIROTECH CORP
发明人
VAN NOTE R
分类号
B01D21/06;(IPC1-7):C02C1/26;B01D21/14
主分类号
B01D21/06
代理机构
代理人
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