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发明名称
Artificial golf green
摘要
申请公布号
US2173014(A)
申请公布日期
1939.09.12
申请号
US19390250211
申请日期
1939.01.10
申请人
HAROLD HALL LEWIS
发明人
HALL LEWIS HAROLD
分类号
A63B67/02
主分类号
A63B67/02
代理机构
代理人
主权项
地址
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