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发明名称
Starting block
摘要
申请公布号
US2534159(A)
申请公布日期
1950.12.12
申请号
US19480059004
申请日期
1948.11.08
申请人
BROUWER CLARENCE J;DRAKE IRVIN J
发明人
BROUWER CLARENCE J.;DRAKE IRVIN J.
分类号
A63K3/02
主分类号
A63K3/02
代理机构
代理人
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地址
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