1. Application: Determine cotton roll-the uniform condition of meter (yard) sectional length and practical length. Check and calculate the specific elongation of cotton roll. 2. Main technical data:roller length of cotton roll 1m, 1 yardrange of self-stop for fixed length of cotton roll1, 1/2, 1/3 yardlength of cotton roll beam (mm)1040weighting formelectronic scale, digital displayoutside size (L*W*H, mm)1490*665*1400
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