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发明名称
Apparatus for covering a playing field
摘要
申请公布号
US3005461(A)
申请公布日期
1961.10.24
申请号
US19580770685
申请日期
1958.10.30
申请人
RAY ARGANBRIGHT
发明人
ARGANBRIGHT RAY
分类号
A63C19/12
主分类号
A63C19/12
代理机构
代理人
主权项
地址
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