| 摘要 |
An integrally molded high-impact plastic carrying and stacking case, having first and second pairs of opposed vertical walls and a bottom wall, is fitted with a hinged cover comprised of two equal-sized rectangular molded panels spaced from the inner top edges of the vertical walls and occupying the inner space enclosed by said walls in the horizontal and closed position. The panels are provided at their edges adjoining the vertical walls of one of said pairs and parallel to the inner meeting edges of the panels with pairs of spaced upwardly and angularly outwardly extending lugs projecting into corresponding vertical slots in the top edges of the adjacent vertical walls and connected thereto by hinge joints integrally molded with the respective slots and lugs.
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