Manufacture of batteries and accumulators

This subclass includes the manufacture of rechargeable and non-rechargeable batteries: - manufacture of primary cells and primary cell batteries containing manganese dioxide, mercury dioxide, silver oxide and other materials - manufacture of accumulators and their parts: gaskets, casings,production of caps - production of lead-acid batteries - production of nickel-cadmium batteries - production of nickel-hydride batteries- manufacture of lithium batteries - manufacture of dry cell batteries - manufacture of wet cell batteries