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	GB/T 12322-1990 Methods of reliability testing for universal CCTV systems - 英文版
	GB/T 12328-1990 Legend and color standard for comprehensive engineering geological map - 英文版
	GB/T 12314-1990 Sensory analysis method--Guide lines for the preparation of samples for which direct sensory analysis is not feasible - 英文版
	GB/T 12281-1990 Requirements for the interconnections and matching of color television broadcast receivers and other equipment - 英文版
	GB/T 10593.3-1990 Methods of measuring environmental parameters for electric and electronic products--Treatment andinduction for the vibration data - 英文版
	GB/T 12374-1990 Standard method for examination of nitrate in air of residential areas--Reduction of the cadmium column--Spectrophotometry of N-(1-naphthyl) ethylene diaminehydrochloride - 英文版
	GB/T 12373-1990 Standard sampling equipments of liquid absorbent methods for determining gaseous pollutants in air of residential areas - 英文版
	GB/T 12372-1990 Standard method for examination of nitrogen dioxide in air of residential areas--Modified Saltzman method - 英文版
	GB/T 12277-1990 Fixed resistors for use in electronic equipment--Part 7:Blank detail specification--Fixed resistor networks in which not allresistors are individually measurable--Assessment level E - 英文版
	GB/T 12276-1990 Fixed resistors for use in electronic equipment--Part 7:Sectional specification--Fixed resistor networks in which not all resistors are individually measurable - 英文版
	GB/T 12275-1990 The rule of type designation for quartz crystal oscillators - 英文版
	GB/T 12272-1990 Measuring method of radio-frequency high potential withstanding voltage for radio-frequency coaxial connectors - 英文版
	GB/T 12300-1990 Test methods of safe operating area for power transistors - 英文版
	GB/T 12354-1990 Method of model designation for the electronic computer peripheral equipment - 英文版
	GB/T 12200.1-1990 Chinese information processing--Vocabulary--Part 01:Fundamental terms - 英文版
	GB/T 12193-1990 Methods of measurement for radio receivers employing F3E emission used in the mobile services - 英文版
	GB/T 12192-1990 Methods of measurement for radio transmitters employing F3E emission used in the mobile services - 英文版
	GB/T 12189-1990 General specification for television broadcasting exciter - 英文版
	GB/T 12185-1990 General specification for exciter used to MW AM broadcast transmitter - 英文版
	GB/T 12183-1990 General specification of airborne transponders for air traffic control - 英文版
	GB/T 12182-1990 General specification of secondary surveillance radar for air traffic control - 英文版
	GB/T 12215-1990 Bauxite sand and flour for investment casting - 英文版
	GB/T 12214-1990 Silica sand and flour for investment casting - 英文版
	GB/T 12213-1990 Technical drawings for glassware - 英文版
	GB/T 12171-1990 Specification for TDM/FDM 60-channeltransmultiplexing equipments used in the telecommunication network - 英文版
	GB/T 12163-1990 Lead shielding units for 50 and 100 mm thick walls used for protection against ionizing radiation - 英文版
	GBJ 143-1990 Standard for protective spacing of radio interference from overhead electric lines,substations to television transposer station and retransmitting station - 英文版
	GBJ 130-1990 Technical code for reinforced concrete lift-slab structure - 英文版
	GB/T 12129-1989 Characteristics and test methods for time-to-amplitude converters - 英文版
	GB/T 12128-1989 Reference sources for the calibration of surface contamination monitors--Beta-emitters and alpha-emitters - 英文版

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