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[PDF] IEC 61747-20-2:2015 gratis

Fecha de publicación: 25/03/2015 Liquid crystal display devices – Part 20-2: Visual inspection – Monochrome matrix liquid crystal display modules (excluding all active matrix liquid crystal display modules) IEC 61747-20-2:2015

[PDF] IEC 61837-4:2015 gratis

Fecha de publicación: 27/03/2015 Surface mounted piezoelectric devices for frequency control and selection – Standard outlines and terminal lead connections – Part 4: Hybrid enclosure outlines IEC 61837-4:2015

[PDF] IEC 60793-1-43:2015 gratis

Fecha de publicación: 27/03/2015 Optical fibres – Part 1-43: Measurement methods and test procedures – Numerical aperture measurement IEC 60793-1-43:2015

[PDF] IEC 60068-2-58:2015 gratis

Fecha de publicación: 27/03/2015 Environmental testing – Part 2-58: Tests – Test Td: Test methods for solderability, resistance to dissolution of metallization and to soldering heat of surface mounting devices (SMD) IEC 60068-2-58:2015

[PDF] IEC TS 62878-2-4:2015 gratis

Fecha de publicación: 27/03/2015 Device embedded substrate – Part 2-4: Guidelines – Test element groups (TEG) IEC TS 62878-2-4:2015

[PDF] IEC 61169-47:2015 gratis

Fecha de publicación: 30/03/2015 Radio-frequency connectors – Part 47: Sectional specification for radio-frequency coaxial connectors with clamp coupling, typically for use in 75 Ω cable networks (type F-Quick) IEC 61169-47:2015

[PDF] IEC TS 62878-2-1:2015 gratis

Fecha de publicación: 30/03/2015 Device embedded substrate – Part 2-1: Guidelines – General description of technology IEC TS 62878-2-1:2015

[PDF] IEC 61747-3:2015 gratis

Fecha de publicación: 09/04/2015 Liquid crystal display devices – Part 3: Liquid crystal display (LCD) cells – Sectional specification IEC 61747-3:2015