A security paper (200) including a plurality of planchettes (100), each planchette (100) being a sheet having a first face and a second face, the first face having a first colour and the second face having a second, different, colour.
申请公布号
WO2012049514(A2)
申请公布日期
2012.04.19
申请号
WO2011GB51990
申请日期
2011.10.13
申请人
D.W. SPINKS (EMBOSSING) LIMITED;SPINKS, GARY, DONALD