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经营范围
发明名称
Cleaning system for swimming pools and the like
摘要
申请公布号
US4907610(B1)
申请公布日期
1997.10.07
申请号
US19890348957
申请日期
1989.05.08
申请人
CRYSTAL POOLS INC.
发明人
MEINCKE JONATHAN E.
分类号
E04H4/12;E04H4/16;(IPC1-7):B08B3/02
主分类号
E04H4/12
代理机构
代理人
主权项
地址
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