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发明名称
PACK-TYPE BIOLOGICAL TREATMENT PLANT
摘要
申请公布号
PL144197(B1)
申请公布日期
1988.04.30
申请号
PL19850253360
申请日期
1985.05.13
申请人
发明人
分类号
C02F;C02F3/02;(IPC1-7):C02F3/02
主分类号
C02F
代理机构
代理人
主权项
地址
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