| 摘要 |
<p>This invention relates to a glued hermetically sealed envelope (1) provided with an opening device (10), to be used for the distribution of paper materials for didactic, informational, advertising, promotional and similar purposes, either as single units or in continuous folded form. In practice, it is an envelope which can be applied to any type of commercial glass, plastic or paper container, either manually or automatically, using permanent or removeable adhesive, consisting of a tape-shaped element glued on to the envelope itself.</p> |
