应用最广泛的包装制品，按用料不同，有瓦楞纸箱、单层纸板箱等，有各种规格和型号。
The most widely used packaging products, according to different materials, such as corrugated carton, single layer carton, with various specifications and models.
式仪器，广泛地适用于包装材料，主要用于测定各种纸板及单层和多层瓦楞纸板，也可用于丝绸、棉布等非纸质材料的耐破强度的测试。
This instrument is an internation of single and multi-layer and cardboard corrugated cardboard, also can be used for silk, cotton, etc of non-paper-made material strength of resistance test.
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