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发明名称
Parking meter
摘要
申请公布号
US2839174(A)
申请公布日期
1958.06.17
申请号
US19540423934
申请日期
1954.04.19
申请人
THE HERSCHEDE HALL CLOCK COMPANY
发明人
BALLMAN ROBERT J.;WOODRUFF WILLIAM N.
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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