| 摘要 |
The invention relates to a complementary system for packaging or containers. The system consists of a device conveniently housed inside the packaging or container, said device storing therein a tool or utensil that is removed when the lid is opened and formed for use by means of a self-locking, retractable sleeve-plunger-type mechanism. The complementary system for packaging or containers is suitable for use in all types of industries, business lines or applications in which packaging or containers require additional tools or utensils for the use thereof. |
