Edison screw lampholders
Measuring relays and protection equipment - Part 181: Functional requirements for frequency protection
Measuring relays and protection equipment - Part 187-1: Functional requirements for differential protection - Restrained and unrestrained differential protection of motors, generators and transformers
Measuring relays and protection equipment - Part 187-1: Functional requirements for differential protection - Restrained and unrestrained differential protection of motors, generators and transformers
Measuring relays and protection equipment - Part 1: Common requirements
Measuring relays and protection equipment - Part 26: Electromagnetic compatibility requirements
Measuring relays and protection equipment - Part 27: Product safety requirements
Scales and sizes for plotting frequency characteristics and polar diagrams
Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index
Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index
Sound system equipment - Part 21: Acoustical (output-based) measurements
Sound system equipment - Part 22: Electrical and mechanical measurements on transducers
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.