AM, AR, AT, CA, CH, CN, CZ, CU, DE, DK, EA, EE, EP, ES, FR, GE, IE, IN, KG, MD, MY, NL, NO, NZ, RU, SE, SK, TJ, US, UZ, YU (31 offices) NO:
AM, AR, AT, CA, CH, CN, CZ, CU, DE, DK, EA, EE, EP, ES, FR, GE, IE, IN, KG, MD, MY, NL, NO, NZ, RU, SE, SK, TJ, US, UZ, YU (31 offices) NON :