Silicium (terms considered too vague by the International Bureau - rule 13.2.b) of the Common Regulations); polycrystalline silicon (terms considered too vague by the International Bureau - rule 13.2.b) of the Common Regulations); chips (integrated circuits); cell switches (electricity); vacuum tubes (radio); photovoltaic cells; transformers (electricity); circuit breakers; relays, electric; inverters (electricity); instrument transformer; sensor; fuse protector; bus duct; lightning conductors; accumulator boxes; anode batteries; galvanic cells; solar batteries; integrated circuits
Electrical and Scientific Apparatus