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发明名称
Parking indicator
摘要
申请公布号
US2337194(A)
申请公布日期
1943.12.21
申请号
US19420444224
申请日期
1942.05.23
申请人
JAMES HICKEY
发明人
HICKEY JAMES
分类号
G07C1/30
主分类号
G07C1/30
代理机构
代理人
主权项
地址
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