Detail specification for resistance welded seal quartz crystal units for oscillator applications. DN, DZ, DQ and DP enclosures, 0.8 to 20 MHz and 3.0 to 30 MHz frequency ranges. Fundamental thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full asse
standard by BSI Group, 04/15/1979
Door supervisors. Code of practice
standard by BSI Group, 07/20/2005
Specification for safety and rational use of energy of domestic gas appliances. Combined appliances. Gas fire/back boiler
standard by BSI Group, 05/14/2003
Specification for strength requirements of towing brackets and coupling balls for caravans and light trailers
standard by BSI Group, 02/28/1979
Specification for hand hammers
standard by BSI Group, 09/15/1995
Specification for pozzolanic materials for use with Portland cement. High reactivity natural calcined pozzolana
standard by BSI Group, 01/30/2019
Monuments within burial grounds and memorial sites. Specification
standard by BSI Group, 02/09/2005
Protective clothing and equipment for use in violent situations and in training. Blunt trauma torso, shoulder, abdomen and genital protectors. Requirements and test methods
standard by BSI Group, 12/01/2003
Code of practice for design of concrete structures for retaining aqueous liquids
standard by BSI Group, 10/30/1987
Coatings on metal fasteners. Specification for torque/clamping force relationship
standard by BSI Group, 02/15/1993
