| 摘要 |
<p>1301787 Laminates KALLE AG 19 April 1971 [9 March 1970] 23385/71 Heading B5N A flexible laminate consists of a plastics layer 3, a layer 2 of paper and a bitumen layer 4 between the said two layers, the layers being differentiated in one marginal zone, or in two opposed marginal zones, in that the paper layer extends beyond both the plastics layer and the bitumen layer and that the plastics layer extends beyond the bitumen layer. The plastics layer is preferably a biaxially stretched polypropylene film. The laminate may be used for packaging e.g. for packaging a light sensitive paper.</p> |
