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BS 5498:1977Specification for the safety of hand operated paper cutting machinesstandard by BSI Group, 07/29/1977
BS 5477:1977Method for visual assessment, by grid assay, of dirt in paper for character recognitionstandard by BSI Group, 06/30/1977
BS 1214:1977Specification for hessian sandbags and rot-proofed hessian sandbagsstandard by BSI Group, 06/30/1977
BS 9090:1977Variable capacitors of assessed quality: generic data and methods of teststandard by BSI Group, 06/30/1977
BS 3041-1:1977Radio-frequency connectors. Specification for general requirements and measuring methodsstandard by BSI Group, 06/30/1977
BS 4508-4:1977Thermally insulated underground pipelines. Specific testing and inspection requirements for cased systems without air gapstandard by BSI Group, 06/30/1977
BS 9612 N008:1977Detail 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...
BS 9612 N007:1977Detail specification for cold welded seal quartz crystal units for oscillator applications. DN, 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...
BS 9612 N005:1977Detail specification for cold welded seal quartz crystal units for oscillator applications. DN, 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 assessment...
BS 5472:1977Specification for low voltage switchgear and controlgear for industrial use. Terminal marking and distinctive number. General rulesstandard by BSI Group, 05/31/1977
BS 9612 N009:1977Detail 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 narrow temperature ranges (temperature controlled). Full assessment level...
BS 4737-3.3:1977Intruder alarm systems. Specifications for components. Protective switchesstandard by BSI Group, 05/31/1977