| http://www.w3.org/ns/prov#value | - The said plate (1) possesses a central opening (8) having a perfectly rectangular shape coinciding in sizes and shape with the central opening (9) that the frame (3) also possesses, an opening in which will remain placed the mechanisms which will be installed in the device disclosed, which in the case illustrated as for example in FIG. 1 will be with three mechanisms arranged one close to the othe
|
