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发明名称
Precast concrete swimming pool
摘要
申请公布号
US2902157(A)
申请公布日期
1959.09.01
申请号
US19560565245
申请日期
1956.02.13
申请人
CULVER EZRA L
发明人
CULVER EZRA L.
分类号
E04H4/00
主分类号
E04H4/00
代理机构
代理人
主权项
地址
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