AS/NZS 60079.20/AMD 1:2005 Amendment No.1 to AS/NZS 60079.20:2000 Electrical apparatus for explosive gas atmospheres Part 20: Data for flammable gases and vapours,relating to the use of electrical apparatus
2005AS/NZS 60079.20/AMD 1:2005 Amendment No.1 to AS/NZS 60079.20:2000 Electrical apparatus for explosive gas atmospheres Part 20: Data for flammable gases and vapours,relating to the use of electrical apparatus
2000AS/NZS 60079.20:2000 Electrical apparatus for explosive gas atmospheres - Data for flammable gases and vapours, relating to the use of electrical apparatus