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经营范围
发明名称
Water-retaining recreational structure for swimming pools and the like
摘要
申请公布号
US3280408(A)
申请公布日期
1966.10.25
申请号
US19650507634
申请日期
1965.10.23
申请人
COLECO INDUSTRIES INC.
发明人
GERSHMAN MELVIN Y.
分类号
E04H4/00;E04H4/14
主分类号
E04H4/00
代理机构
代理人
主权项
地址
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