Method for identifying seafood, involves establishing mark on shell or outer skeleton by laser beam, where logo or trademark, expiration date, bar code or any other inscription is marked on surface of shell or outer skeleton of animal

摘要

The method involves establishing a mark on shell or outer skeleton by laser beam. A logo or trademark, an expiration date, a bar code or any other inscription is marked on the surface of shell or shell of the animal. A special ink and additives are also used to mark shells.