| 摘要 |
<p>A fence for preventing unauthorised people from entering a vessel, wherein said fence is made up of one or more sections and said sections comprises at least two plates, and are further c h a r a c t e r i s e d b y that said plates are connected to each other at one end by at least one hinge, said at least one hinge has a spring function, and that said spring function can be activated or deactivated.</p> |
