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发明名称
Improvements in aquatic displays
摘要
申请公布号
GB674858(A)
申请公布日期
1952.07.02
申请号
GB19480029154
申请日期
1948.11.10
申请人
LOUIS DARNLEY
发明人
分类号
A63J5/02
主分类号
A63J5/02
代理机构
代理人
主权项
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