6
Mounting frames of metal for attaching solar installations, solar modules, wind generators, diesel generators, fuel cells and laminates; metal building materials; transportable buildings of metal; pipes and tubes of metal
7
Wind generators; wind turbines; dynamos; electric generators; diesel generators; motors and engines (except for land vehicles)
9
Inverters, charge regulators, batteries, electric cables, electric and electronic measuring and display systems, in particular for wind strength, temperature, performance, energy; photovoltaic installations as a whole or individual components therefor, in particular solar modules made from silicon and other semiconductors; anemometers; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; continuity units; fuel cells
11
Solar installations for generating electrical and thermal energy from the rays of the sun and components therefor, thermal solar collectors; solar furnaces; heat pumps; heat regenerators; heat accumulators; heat exchangers