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	GB/T 12166-1990 Electrical characteristics of unbalanced voltage digital interface circuits - 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
	GB/T 11890-1989 Water quality--Determination of benzeneand its analogies--Gas chromatographic method - 英文版
	GB 11722-1989 Health standard for vanadium and its compounds in the air of workplace - 英文版
	GB 11529-1989 Hygienic standard for cobalt and its oxides in the air of workplace - 英文版
	GB/T 3430-1989 The rule of type designation for semiconductor integrated circuits - 英文版
	GB/T 11498-1989 Sectional specification for film integrated circuits and hybrid film integrated circuits on the basis of the qualification approval procedure - 英文版
	GB/T 11107-1989 Metallic and its compound powder--Determination of specific surface and particle size by air permeating method - 英文版
	GB/T 11297.6-1989 Standard method for showing andmeasuring dislocation etch pits in indium antimonide single crystal - 英文版
	GB/T 11014-1989 Electrical characteristics of balanced voltage digital interface circuits - 英文版
	GB/T 10891-1989 Safety requirements for air handling units - 英文版
	GB/T 10467-1989 Fruits，vegetables and derived products--Determination of volatile acidity - 英文版
	GB/T 9541-1988 2400 bits per second duplex modem using the echo cancellation technique standardized for use on the general switched telephone network and on point-to-point 2 wire leased telephone-type-circuits - 英文版
	GB/T 9413-1988 Methods of measurement of modems for wide band using 60～108 kHz group band circuits - 英文版
	GB/T 9412-1988 Modems for date transmission at 48 kilobits per second using 60～108 kHz group band circuits - 英文版
	GB/T 9178-1988 Terminology for integrated circuits - 英文版
	GB 8774-1988 Hygienic standard for antimony and its compounds in the air of workplace - 英文版
	GB/T 7626-1987 4800 bits per second modem with manual equalizer standardized for use on leased telephone-type circuits - 英文版
	GB/T 7625-1987 2400/1200 bits per second modem standardized for use in the general switched telephone network - 英文版
	GB/T 7624-1987 2400 bits persecond modem standardized for use on 4-wire leased telephone type circuits - 英文版
	GB/T 7621-1987 1200 bits per second duplex modem standardized for use in the general switched telephone network and on point-to-point 2-wire leased telephonecircuits - 英文版
	GB/T 7620-1987 300 bits per second duplex modem standardized for use in the general switched telephone network - 英文版
	GB/T 7619-1987 Electrical characteristics for balanced double-current interchange circuits for general use with integrated circuit equipment in the field of datacommunications - 英文版
	GB/T 7618-1987 Electrical characteristics for unbalanced double-current interchange circuits for general use with inte-grated circuit equipment in the field of data communications - 英文版
	GB/T 7509-1987 Blank detail specification for microprocessor semiconductor integrated circuits - 英文版
	GB/T 7419-1987 Information processing--Implementation of the 7-bit coded character set and its 7-bit and 8-bit extensions on 3.81mm magnetic tape cassette for data interchange - 英文版
	GB 6830-1986 The tolerable limits of danger ontelecommunication lines from power lines - 英文版
	GB/T 6808-1986 Anodizing of aluminium and its alloys--Accelerated test of light fastness of coloured anodic oxide coatings using artificial light - 英文版
	GB/T 3431.2-1986 Letter symbols for semiconductor integrated circuits--Letter symbols for function of pins - 英文版
	GB/T 6429-1986 The rule of type designation for quartz crystalunits - 英文版

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