Gas cylinders - Design, construction and testing of refillable seamless steel gas cylinders and tubes - Part 4: Stainless steel cylinders with an R m value of less than 1 100 MPa (ISO 9809-4:2026)
Explosive atmospheres - Part 20-1: Material characteristics for gas and vapour classification - Test methods and data (ISO/IEC 80079-20-1:2017, including Cor 1:2018)
Steel sheet and strip for welded gas cylinders
Steel sheet and strip for welded gas cylinders
Non-domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW, incorporating a fan to assist transportation of combustion air and/or combustion products
Non-domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW, incorporating a fan to assist transportation of combustion air and/or combustion products
Non-domestic forced convection gas-fired air heaters for space heating not exceeding a net heat input of 300 kW incorporating a fan to assist transportation of combustion air or combustion products
Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications
Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications
Workplace atmospheres - Pumped sorbent tubes for the determination of gases and vapours - Requirements and test methods
Workplace atmospheres - Pumped sorbent tubes for the determination of gases and vapours - Requirements and test methods
Workplace exposure - Procedures for measuring gases and vapours using pumped samplers - Requirements and test methods
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