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发明名称
PLASTIC COARSE BUBBLE DIFFUSER FOR WASTEWATER AERATION SYSTEMS
摘要
申请公布号
CA2028914(A1)
申请公布日期
1991.05.03
申请号
CA19902028914
申请日期
1990.10.30
申请人
ENVIRONMENTAL DYNAMICS, INC.
发明人
THARP, CHARLES E.
分类号
B01F3/04
主分类号
B01F3/04
代理机构
代理人
主权项
地址
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