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经营范围
发明名称
SEWAGE SYSTEM
摘要
申请公布号
GB1272426(A)
申请公布日期
1972.04.26
申请号
GB19690036648
申请日期
1969.07.21
申请人
KOEHLER-DAYTON, INC.
发明人
分类号
E03D5/016
主分类号
E03D5/016
代理机构
代理人
主权项
地址
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