GB 20800.2-2006 General rules of explosion-protect techniques of reciprocating internal combustion engines for explosive atmospheres—Part 2:Group Ⅱ engines for use in flammable dust atmospheres

GB 20800.1-2006 General rules of explosion-protect techniques of reciprocating internal combustion engines for explosive atmospheres—Part 1:Group Ⅱ engines for use in flammable gas and vapor atmospheres

GB/T 1883-1989 GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements GB/T 6072.1-2000 Reciprocating internal combustion engines—Performance—Part 1:Standard reference conditions,declarations of power,fuel and lubricating oil consumptions,and test methods GB/T 6809.1-2003 Reciprocating internal combustion engines—Vocabulary of components and systems—Part 1:Structure and external covers GB/T 6809.2-1988 GB/T 6809.3-1989 GB/T 6809.4-1989 GB/T 10715-2002 Belt drives—V-ribbed belts, joined V-belts and V-belts including wide section belts and hexagonal belts—Electrical conductivity of antistatic belts:Characteristics and methods of test GB 12476.1-2000 Electrical apparatus for use in the presence of combustible dust—Part 1-1:Electrical apparatus protected by enclosures and surface temperature limitation—Specification for apparatus GB 12476.2-2006 Electrical apparatus for use in the presence of combustible dust—Part 1-2:Electrical apparatus protected by enclosures and surface temperature limitation—Selection,installation and maintenance GB/T 15706.2-1995 Safety of machinery—Basic concepts, general principles for design—Part 2:Technical principles and specifications GB/T 16856-1997 Safety of machinery—Principles for risk assessment GB 20800.1-2006 General rules of explosion-protect techniques of reciprocating internal combustion engines for explosive atmospheres—Part 1:Group Ⅱ engines for use in flammable gas and vapor atmospheres JB 8890-1999 JB/T 51113-1999