MT/T 541.3-1996 The inspection specifications for the electromechanical control system of the cantilever excavator

MT/T 541.1-1996 MT/T 541.2-1996 The inspection specifications for the mechanical parts of the cantilever excavator

GB 998 GB 1497 GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB 3836.2-2000 Electrical apparatus for explosive gas atmospheres—Part 2:Flameproof enclosure “d” GB 3836.2-2010 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures "d" GB/T 3836.2-2021 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures “d” GB 3836.3-2000 Electrical apparatus for explosive gas atmospheres—Part 3:Increased safety “e” GB 3836.3-2010 Explosive atmospheres—Part 3:Equipment protection by increased safety "e" GB/T 3836.3-2021 Explosive atmospheres—Part 3:Equipment protection by increased safety “e” GB 3836.4-2000 Electrical apparatus for explosive gas atmospheres—Part 4:Intrinsic safety“i” GB 3836.4-2010 Explosive atmospheres—Part 4:Equipment protection by intrinsic safety "i" GB/T 3836.4-2021 Explosive atmospheres—art 4:Equipment protection by intrinsic safety “i” MT 238-1991 MT/T 238.2-2007 MT/T 238.2-2007 Cantilever Digging Machine Part 2: Types and Parameters MT/T 238.3-2006 Cantilever Drilling Machine - Part 3: General Technical Specification MT/T 238.2-2008 Boom-type roadheader-Part 2:Types and parameters