Electric motors for machines; [ apparatus and appliances for industrial, medical, commercial and private purposes, not for land vehicles; ] actuators, namely, electro-mechanical actuators, linear actuators, [ linear motors not for land vehicles; ] electric lifting columns, namely, linear actuators designed as lifting columns; telescopic slides; protective housings and casings for elector-mechanical actuators, linear actuators, and linear motors having telescopic guides; [ pumps, namely, elect...