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发明名称
High score recorder
摘要
申请公布号
US2266932(A)
申请公布日期
1941.12.23
申请号
US19400327766
申请日期
1940.04.04
申请人
WILLIAMS HARRY E;DURANT LYNDON A
发明人
WILLIAMS HARRY E.;DURANT LYNDON A.
分类号
A63F7/32;A63F9/00;A63F11/00
主分类号
A63F7/32
代理机构
代理人
主权项
地址
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