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经营范围
发明名称
Valve for inflatable balls
摘要
申请公布号
US2065121(A)
申请公布日期
1936.12.22
申请号
US19350017292
申请日期
1935.04.19
申请人
THE SEAMLESS RUBBER COMPANY, INC.
发明人
LANEY WALLACE W. DE;MADSEN PAUL S.
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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