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经营范围
发明名称
Purifying swimming pool water
摘要
申请公布号
FR1601110(A)
申请公布日期
1970.08.10
申请号
FRD1601110
申请日期
1968.07.18
申请人
发明人
分类号
E04H4/16
主分类号
E04H4/16
代理机构
代理人
主权项
地址
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