GB/T 13561.2-2008 Safety code on port's continuous handling facilities—Part 2:Pneumatic shipunloader

GB/T 13561.2-1992 Safety rules on port's continuous handling facilities—Pneumatic unloader

JT/T 622 JTJ 244 GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 985-1988 Basic forms and sizes of weld grooves for gas welding manual arc welding and gas-Shielded arc welding GB/T 985.1-2008 Recommended joint preparation for gas welding,manual metal arc welding,gas-shield arc welding and beam welding GB/T 985.2-2008 Recommended joint preparation for submerged arc welding GB/T 985.3-2008 Recommended joint preparation for gas-shield arc welding on aluminium and its alloys GB/T 985.4-2008 Recommended joint preparation for welding on clad steels GB/T 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications GB/T 1591-1994 High strength low alloy structural steels GB/T 1591-2008 High strength low alloy structural steels GB/T 1591-2018 High strength low alloy structural steels GB/T 3811-1983 Design rules for cranes GB/T 3811-2008 Design rules for cranes 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 4053.1-1993 Safety requirements for fixed steel vertical ladders GB 4053.1-2009 Safety requirements for fixed steel ladders and platform—Part 1:Steel vertical ladders GB 4053.2-1993 Safety requirements for fixed steel oblique ladders GB 4053.2-2009 Safety requirements for fixed steel ladders and platform—Part 2:Steel inclined ladders GB 4053.3-1993 Safety requirements for fixed industrial protective railings GB 4053.3-2009 Safety requirements for fixed steel ladders and platform—Part 3:Industrial guardrails and steel platform GB/T 4942.1-2001 Classification of degrees of protection provided by enclosures of rotating electrical machines (IP code) GB/T 4942.1-2006 Degrees of protection provided by the integral design of rotating electrical machined(IP code)—Classification GB/T 5905-1986 Cranes—Test code and procedures GB/T 5905-2011 Cranes—Test code and procedures GB/T 5905.1-2023 Cranes—Inspection and text code—Part 1:General principle GB/T 6067-1985 Safety rules for lifting appliances GB/T 6067.1-2010 Safety rules for lifting appliances—Part 1:General GB/T 6067.5-2014 Safety rules for lifting appliances—Part 5:Bridge and gantry cranes GB/T 11345-1989 Method for manual ultrasonic testing and classification of testing results for ferritic steel welds GB/T 11345-2013 Non-destructive testing of welds—Ultrasonic testing—Techniques,testing levels,and assessment GB/T 11345-2023 Non-destructive testing of welds—Ultrasonic testing—Techniques, testing levels and assessment GB/T 14742-1993 Test methods of port pneumatic grain unloader GB 16710.1-1996 Earth-moving machinery—Noise limits GB/T 16710.2-1996 Measurement of exterior noise emitted by earth-moving machinery—Stationary test conditions JT/T 90-2020 Port loading and unloading machinery wind load calculation and anti-wind safety requirements JT/T 90-2008 Calculation of wind loads for port handling machinery and safety requirements for wind protection JT/T 90-1994 Specification of wind load for port crane GB 4053.1-2025 Safety requirements for fixed metal ladders and platform—Part 1:Vertical ladders GB 4053.2-2025 Safety requirements for fixed metal ladders and platform—Part 2:Inclined ladders GB 4053.3-2025 Safety requirements for fixed metal ladders and platform—Part 3:Industrial guardrails and platform