BS EN IEC 61837-2:2018 Surface mounted piezoelectric devices for frequency control and selection. Standard outlines and terminal lead connections Ceramic enclosures

Surface mounting devices
Electrical components
Shape
Frequency control
Ceramics
Surface mounting
Enclosures
Piezoelectric devices
Electric enclosures
Electric terminals
Electronic equipment and components
Selection
Electrical connections

Link: BS EN IEC 61837-2:2018 Surface mounted piezoelectric devices for frequency control and selection. Standard outlines and terminal lead connections Ceramic enclosures
Source: BSI Standards

ISO/IEC TR 23008-14:2018 Information technology. High efficiency coding and media delivery in heterogeneous environments Conversion and coding practices for HDR/WCG Y′CbCr 4:2:0 video with PQ transfer characteristics

Link: ISO/IEC TR 23008-14:2018 Information technology. High efficiency coding and media delivery in heterogeneous environments Conversion and coding practices for HDR/WCG Y′CbCr 4:2:0 video with PQ transfer characteristics
Source: BSI Standards

BS EN 15860:2018 Plastics. Thermoplastic semi-finished products for machining. Requirements and test methods

Moulding (process)
Bars (materials)
Surfaces
Physical properties of materials
Semi-finished products
Hollow
Dimensions
Thermoplastic polymers
Moulded materials
Physical property measurement
Plastics
Extruding
Dimensional changes
Dimensional tolerances
Sheet materials

Link: BS EN 15860:2018 Plastics. Thermoplastic semi-finished products for machining. Requirements and test methods
Source: BSI Standards