| 摘要 |
Ramp composed of two frames 1 and 2 which are articulated together and to the access door or opening. Said frames are connected together and to the frame of the access door by means of a set of cylinders 9, 10, 11 and 12 which are capable of rocking between a deployed position, in which the frames 1 and 2 are in a coplanar position, and a retracted position in which the folded frames 1 and 2 are within the frame 8 of the access door. <IMAGE>
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