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发明名称
Inflatable playing ball construction
摘要
申请公布号
US2134634(A)
申请公布日期
1938.10.25
申请号
US19370126687
申请日期
1937.02.19
申请人
THE P. GOLDSMITH SONS COMPANY
发明人
GOLDSMITH HUGO
分类号
F16K15/20
主分类号
F16K15/20
代理机构
代理人
主权项
地址
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