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Device for the rollers of threads on the outside jacket surfaces of cylindrical workpieces, in particular of the thread nipples for connection of the radial ports members, wherein a half with a right-handed thread and the other half is provided with a left-hand thread
Device for the rollers of threads on the outside jacket surfaces of cylindrical workpieces, in particular of the thread nipples for connection of the radial ports members, wherein a half with a right-handed thread and the other half is provided with a left-hand thread
