Electromechanical elementary relays - Part 4: General and safety requirements for reed relays
Time relays and coupling relays for industrial and residential use - Part 1: Requirements and tests
Electrical installations for lighting and beaconing of aerodromes - Part 1-2: Fundamental principles - Particular requirements for series circuits
Electrical installations for aeronautical ground lighting at aerodromes - Part 1: Fundamental principles
Electrical installations for lighting and beaconing of aerodromes - Part 3-2: Requirements for power supplies - Particular requirements for series circuits
Electrical installations for lighting and beaconing of aerodromes - Part 3-4: Safety secondary circuits in series circuits - General safety requirements
Ultrasonics - Transducers - Definitions and measurement methods regarding focusing for the transmitted fields
Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and terminal lead connections - Part 2: Ceramic enclosures
Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and terminal lead connections - Part 2: Ceramic enclosures
Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and terminal lead connections - Part 2: Ceramic enclosures
Ultrasonics - Therapeutic focused short pressure pulse sources - Characteristics of fields
Ultrasonics - Surgical systems - Measurement and declaration of the basic output characteristics
53,361 referências distintas indexadas a partir de registos de fontes oficiais. Inclui edições anteriores. O índice e as coleções dos editores têm âmbitos diferentes. Consultar fontes e cobertura.