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发明名称
Clockless parking meter
摘要
申请公布号
US2904154(A)
申请公布日期
1959.09.15
申请号
US19530374574
申请日期
1953.08.17
申请人
MENHALL JAMES W
发明人
MENHALL JAMES W.
分类号
G07F17/24
主分类号
G07F17/24
代理机构
代理人
主权项
地址
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