Broaches with diameter from 70 to 90 mm for slitting holes with involute profile and centering at outside diameter with module from 3,5 to 5 mm. Double driven. Construction and dimensions
Polyamides, polyamide fibres, fabrics, films. Determination of mass fraction of residual caprolactam and low-molecular compounds and their concentration of migration in water. Methods of liquid and gas-liquid chromatography