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发明名称
Dart board
摘要
申请公布号
US2076357(A)
申请公布日期
1937.04.06
申请号
US19360115451
申请日期
1936.12.12
申请人
WILSON TEMPEST THOMAS
发明人
TEMPEST THOMAS WILSON
分类号
F41J3/00
主分类号
F41J3/00
代理机构
代理人
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