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发明名称
BIOLOGICAL FILTRATION
摘要
申请公布号
GB9111563(D0)
申请公布日期
1991.07.24
申请号
GB19910011563
申请日期
1991.05.30
申请人
BIOSPHERE CORPORATION S A
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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