7 Machine parts, namely hot runner systems for injection molds for injection machines, consisting primarily of valve needle, piston cylinder, nozzle, hot runner distributor and sprue bush; mold parts, namely hot halves being on the nozzle side for injection molds for injection machines; accessories for mechanical injection molds and for injection machines, namely valve needles, piston cylinders, nozzles, hot runner distributors and sprue bushes; temperature regulators for hot runner systems being parts of machines