Solar batteries; polysilicon; single crystal silicon; accumulators, electric; galvanic cells; quartz crystal; semi-conductors; batteries, electric, for vehicles; batteries, electric; wafers (silicon slices)

Articles made principally of gutta percha, india rubber, balata and/or synthetic products resembling or used in substitution for such materials and included in this class, including buffers of rubber or synthetic rubber, wharf fenders, and resilient units made of or principally of rubber or synthetic rubber for incorporation in resilient bearings, mountings and fittings