Improvements in and relating to vouchers particulary for the control of parked vehicles.
摘要
<p>A prepaid parking voucher (1) printed with a plurality of discrete time-indicating areas, the voucher being printed on a self-manifolding material such that rubbing or other application of pressure to a time-indicating area produces within that area an irreversible colour change. <IMAGE></p>
申请公布号
EP0448383(A2)
申请公布日期
1991.09.25
申请号
EP19910302442
申请日期
1991.03.20
申请人
KENRICK & JEFFERSON LIMITED;LANGDALE SYSTEMS LIMITED
发明人
SEDGWICK, ANTHONY;HACKWOOD, ROGER;PEACH, DAVID;HARTILL, ROGER
