BS 9612 N018:1979 PDF

Published Date: 04/15/1979

Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 17 to 75 MHz frequency range. Third overtone thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full assessment level

Published Date: 10/15/1982

Rules for the preparation of detail specifications for quartz crystal units of assessed quality. Full assessment level

Published Date: 11/30/2007

Piezoelectric and dielectric devices for frequency control and selection. Glossary-Piezoelectric and dielectric resonators

Published Date: 12/01/2023

American National Standard For Roadway and Area Lighting Equipment - Wireless Networked Lighting Controllers

Published Date: 1972

American National Standard: Safety Requirements for Portable Metal Ladders

Published Date: 09/25/1992

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Published Date: 01/01/2000

American National Standard for Ladders - Portable Metal - Safety Requirements

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American National Standard for Ladders - Portable Metal - Safety Requirements

Published Date: 01/01/2002

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