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发明名称
Rebound angle indicator for billiard tables
摘要
申请公布号
US2537228(A)
申请公布日期
1951.01.09
申请号
US19460703552
申请日期
1946.10.16
申请人
MATSON RAYMOND N
发明人
MATSON RAYMOND N.
分类号
A63D15/00
主分类号
A63D15/00
代理机构
代理人
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地址
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