| 摘要 |
The invention relates to the trapezium packing box made of the cardboard, which comprises a rectangular upper board, a rectangular bottom board, two relative rectangular side boards and two relative trapezium side boards; said upper board, said bottom board and said four side boards are connected together by respective tongues and engaging grooves and enclose the chamber therein. The present invention improves the space using rate and fits for packing non-quadrate goods such as irons.
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