7 VACUUM PUMPS; VACUUM PUMP STANDS COMPOSED OF A COMBINATION OF VACUUM PUMPS, ACCESSORIES AND CONTROL UNITS; DRIVES AND SHAFT BEARINGS FOR VACUUM PUMPS; ACCESSORIES FOR VACUUM PUMPS AND VACUUM PUMPS STANDS, NAMELY, OIL SEPARATORS, CONDENSATE SEPARATORS, DUST SEPARATORS, COOLERS, FILTERS, VAPOR CONDENSATORS AND FLANGES; VACUUM MACHINE PARTS, NAMELY, VALVES; VACUUM CONTAINERS; AND VACUUM-TECHNICAL INSTALLATIONS CONSISTING OF VACUUM PUMPS, ACCESSORIES FOR VACUUM PUMPS, MEASURING DEVICES, CONNECTION CONDUITS, VALVES AND VACUUM CONTAINERS