Valve systems comprised of pneumatically, electrically and manually operated metal valves not being parts of machines, and their parts, namely, gate valves, ball valves, butterfly valves, check valves, pilot valves, stop valves, shutoff valves used for industrial purposes

Valve systems comprised of pneumatically, electrically and manually operated metal valves not being parts of machines, and their parts, namely, gate valves, ball valves, butterfly valves, check valves, pilot valves, stop valves, shutoff valves used for industrial purposes

CHEMICAL PRODUCTS USED IN INDUSTRY; INORGANIC ELEMENTS AND COMPOUNDS IN FORM OF HYPERPURE CRYSTALS; DOPED AND UNDOPED, POLYCRYSTALLINE AND MONOCRYSTALLINE INORGANIC SEMICONDCOTR MATERIAL, PARTICULARLY IN THE FORM OF CRYSTALS, GRANULES AND POWDERS, IN SAWED, LAPPED, POLISHED, ETCHED AND COATED FORM; DOPED AND UNDOPED, POLYCRYSTALLINE AND NOMOCRYSTALLINE INORGANIC SEMICONDUCOTR MATERIAL , PARTICULARLY IN THE FORM OF RODS, TUBES, SHEETS, WAFERS, AND MOULDED BODIES, IN SAWED, LAPPED, POLISHED, ET...

DOPED AND UNDOPED POLYCRYSTALLINE AND MONOCRYSTALLINE INORGANIC SEMICONDUCTOR MATERIAL IN THE FORM OF CRYSTALS, GRANULES AND POWDERS, IN SAWED, LAPPED, POLISHED, ETCHED AND COATED FORM; DOPED AND UNDOPED POLYCRYSTALLINE AND MONOCRYSTALLINE INORGANIC SEMICONDUCTOR MATERIAL IN THE FORM OF RODS, TUBES, WAFERS AND MOULDED BODIES, IN SAWED, LAPPED, POLISHED, ETCHED AND COATED FORM; SUBSTRATES COATED WITH SEMICONDUCTOR MATERIAL IN THE FORM OF WAFERS, RODS, TUBES, GRANULES, MOULDED BODIES AND POWDER...