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发明名称
Improvements in or relating to scoring devices
摘要
申请公布号
GB538655(A)
申请公布日期
1941.08.12
申请号
GB19400002501
申请日期
1940.02.09
申请人
OLIVER VICTOR HUDSON
发明人
分类号
A63B71/06
主分类号
A63B71/06
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代理人
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