BS EN 12807:2019 LPG equipment and accessories. Transportable refillable brazed steel cylinders for liquefied petroleum gas (LPG). Design and construction

Production
Pressure vessels
Gas cylinders
Transportable
Design
Brazed joints
Re-usable
Mechanical testing
Steels
Liquefied petroleum gas
Approval testing
Inspection

Link: BS EN 12807:2019 LPG equipment and accessories. Transportable refillable brazed steel cylinders for liquefied petroleum gas (LPG). Design and construction
Source: BSI Standards

BS EN IEC 62386-104:2019 Digital addressable lighting interface General requirements. Wireless and alternative wired system components

Control equipment
Communication equipment
Electric control equipment
Digital signals
Electronic equipment and components
Interfaces (data processing)
Electric lamps
Lighting equipment

Link: BS EN IEC 62386-104:2019 Digital addressable lighting interface General requirements. Wireless and alternative wired system components
Source: BSI Standards