| 摘要 |
<p>Cover plate for storage maps unit, of hinged rectangular formation, has a longitudinal hinged section, and aligning recesses. A cover plate (1) has a rectangular shape and includes a bottom part (2) and top part (3), also a longitudinal hinge section (4) of hardening plastics. The bottom part has a recess (5) over part of its height. The top part has a corresponding recess (6). In the closed position of the plate, the recesses (5,6) together form a bore for the threading tongues.</p> |
