| 摘要 |
Cover of a support material (12) comprises polyester layers arranged on both sides of a core layer (16) and a sealing layer (24) inwardly facing a container (30), on which the cover (10) is used for closing the container exhibiting a shoulder. The core layer is a foil made of plastic material, a fleece (non-woven) or a spun-bonded fleece made of plastic material or a plastic material filled with dry materials. |
