| 摘要 |
Plastic, pref. polyolefin, block-bottom bag with tubular plastic filler-valve is provided on both sides, at the end of the tube connection which will later receive the valve, with an additional adhesive coating, extending from the end coating to a point not further than the limit of the part to be covered later by the bottom cover sheet. At the side edges, this strip extends for not more than half the width of the bottom. |
