| 摘要 |
A device pertaining to a loading bank, which device comprises a socket 1 attached to a vehicle and a post which is detachably fitted in the said socket. The socket has an inner cross section which is of such a size and shape that at least two posts, having at their lower ends essentially different cross-sectional shapes, fit into and are firmly secured, one at a time, in the said socket. <IMAGE> |
