9
Electrical cable terminal and connection fittings and device connectors for power supply lines in medium- and high-voltage technology, and parts for the aforesaid fittings, including cable connectors and device connectors, included in class 9; electrical bushings for transformers and switching apparatus; electrical surge arrestors; dummy plugs; protective caps for cable ends; test cables; electric test and transition connectors; electrical cable connectors for medium- and high-voltage technology and parts for electrical cable connectors for medium- and high-voltage technology, included in class 9; all the aforesaid goods of this class only for use in the field of electrical medium-voltage and high-voltage power distribution, and not for electrical connectors for digital computers and digital computer peripherals and printed circuit boards
17
Insulating materials and insulators for electrical cable terminal and connection fittings and device connectors for power supply lines in medium- and high-voltage technology; device connection insulators; all the aforesaid goods of this class only for use in the field of electrical medium-voltage and high-voltage power distribution, and not for electrical connectors for digital computers and digital computer peripherals and printed circuit boards
42
Scientific and technological services and research and design relating thereto; technical project planning; engineering; physics; all the aforesaid goods in the field of power supply technology, particular electrical medium- and high-voltage technology; all the aforesaid services of this class only in the field of medium-voltage technology and high-voltage technology