| 摘要 |
A laminated paper formed by a first outer paper layer, a second outer paper layer, and a mid polymer layer located therebetween; wherein the laminated paper has a tensile strength of up to 20 kg/cm2, the paper of the first and second outer layers being selected from a group consisting of bond paper and card, and the polymer of the mid layer being selected from a group consisting of polyester, polypropylene and the combinations thereof.
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