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发明名称
Indicating device for bowling alleys having elevatable pin. receiving means
摘要
申请公布号
US2520662(A)
申请公布日期
1950.08.29
申请号
US19470751647
申请日期
1947.06.02
申请人
HAYNES L. SETTLE
发明人
TIMLIERLAKE JOURNEY F.
分类号
A63D5/04
主分类号
A63D5/04
代理机构
代理人
主权项
地址
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