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Main technical specification: Typw Two-side two-fold dragon takes the involution Spindle Number Upper fold: 360spindics;lower fold: 180spindics Spindle Pitch 180mm Roller Diameter F52mm Number of Twisted St
Main technical specification: Typw Two-side two-fold dragon takes the involution Spindle Number Upper fold: 360spindics;lower fold: 180spindics Spindle Pitch 180mm Roller Diameter F52mm Number of Twisted St