A security sack comprising at least one kraft paper ply and at least one light-proof paper ply impregnated with carbon and used either on its own or as part of a lamination.
申请公布号
WO03000563(A8)
申请公布日期
2004.03.04
申请号
WO2001IB01256
申请日期
2001.06.21
申请人
KORSNAES PAPER SACKS LIMITED;SAMUEL, IAN, A.;SYMONS, PETER, J., W.
