Special wheel chock for special operation vehicle of civil airport apron
The utility model discloses a special wheel chock for a special operation vehicle of a civil airport apron. The special wheel chock comprises a front side wheel chock, a rear side wheel chock and a bridging arm, the front side wheel chock is sleeved with an end cover a, the rear side wheel chock is...
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Format: | Patent |
Sprache: | chi ; eng |
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