Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i'
Electrical apparatus for potentially explosive atmospheres - Type of protection "n"
Electrical apparatus for potentially explosive atmospheres - Type of protection "n"
Electrical apparatus for potentially explosive atmospheres - Encapsulation 'm'
Electrical apparatus for potentially explosive atmospheres apparatus with type of protection 'e' increased safety caplamps for mines (Group I)
Electrical apparatus for potentially explosive atmospheres - Caplights for mines susceptible to firedamp
53,361 referências distintas indexadas a partir de registos de fontes oficiais. Inclui edições anteriores. O índice e as coleções dos editores têm âmbitos diferentes. Consultar fontes e cobertura.