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经营范围
发明名称
Improvements in and relating to racing tracks
摘要
申请公布号
GB383350(A)
申请公布日期
1932.11.17
申请号
GB19310025939
申请日期
1931.09.16
申请人
HOLLY WHITBY
发明人
分类号
A63K1/02
主分类号
A63K1/02
代理机构
代理人
主权项
地址
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