BS DD IEC/TS 61994-4-2:2003 PDF

Published Date: 04/30/2011

Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection. Glossary-Piezoelectric and dielectric materials. Piezoelectric ceramics

Published Date: 07/09/2004

Piezoelectric and dielectric devices for frequency control and selection. Glossary-Piezoelectric and dielectric materials-Piezoelectric ceramics

Published Date: 06/15/1977

Detail specification for cold welded seal quartz crystal units for oscillator applications. DN, DQ and DP enclosures, 50 to 125 MHz frequency range. Fifth overtone thickness-shear mode, AT-cut, for operation over wide temperature ranges (non-temperature controlled). Full assessment level

Published Date: 04/15/1979

Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 50 to 125 MHz frequency range. Fifth overtone thickness-shear mode, AT-cut, for operation over wide temperature ranges (non-temperature controlled). Full assessment level

Published Date: 05/21/2018

Quartz crystal units of assessed quality-Generic specification

Published Date: 01/01/2000

Hoist Operators Manual

Published Date: 01/01/2003

Safety Requirements for Industrial Scissors Lifts