37 Installation, maintenance and repair of precision measuring apparatus, cryostats, cryostats for laboratory use, cryothermostats, diagnostic apparatus not for medical use and electronic control apparatus for use with vacuum pumps; consulting and advisory services with respect to the repair and maintenance of precision measuring apparatus, cryostats, cryostats for laboratory use, cryothermostats, diagnostic apparatus not for medical use and electronic control apparatus for use with vacuum pumps; installation, maintenance and repair of scientific, research, optical, weighing, measuring, checking, physical, signaling, detecting, testing and inspecting apparatus and instruments; consulting and advisory services with respect to the repair and maintenance of scientific, research, optical, weighing, measuring, checking, physical, signaling, detecting, testing and inspecting apparatus and instruments; installation, maintenance and repair of vacuum pumps; consultancy and advisory services with respect to the repair and maintenance of vacuum pumps; installation, maintenance and repair of measuring and testing apparatus and instruments; consultancy and advisory services with respect to the repair and maintenance of measuring and testing apparatus and instruments; installation, maintenance and repair of computers, quantum computers and computer peripheral devices