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	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
	GB/T 6195-1986 Determination of vitamin C in vegetables and fruits(2，6-dichloro indophenoltitration method) - 英文版
	GB/T 3668.9-1983 Modular units for machine tool construction--Spindle units--Dimensions - 英文版
	GB/T 3668.8-1983 Modular units for machine tool construction--Wing base for columns--Dimensions - 英文版
	GB/T 3668.7-1983 Modular units for machine tool construction--Centre bases and columns--Dimensions - 英文版
	GB/T 3668.6-1983 Modular units for machine tool construction--Wing bases for slide units--Dimensions - 英文版
	GB/T 3668.5-1983 Modular units for machine tool construction--Headstocks--Dimensions - 英文版
	GB/T 3668.4-1983 Modular units for machine tool construction--Slide units--Dimensions - 英文版
	GB/T 3668.3-1983 Modular units for machine tool construction--Rotary tables and multi-sided centre bases for rotary tables--Dimensions - 英文版
	GB/T 3668.2-1983 Modular units for machine tool construction--Support brackets--Dimensions - 英文版
	GB/T 3668.13-1983 Modular units for machine tool construction--Tenon drive and flanges for mounting multi-spindle heads--Dimensions - 英文版
	GB/T 3668.12-1983 Modular units for machine tool construction--Floor-mounted type--Integral way columns--Dimensions - 英文版
	GB/T 3668.1-1983 Modular units for machine tool construction--Multi-spindle heads--Casing and input drive shaft dimensions - 英文版
	GB/T 3668.11-1983 Modular units for machine tool construction--Integral way columns--Dimensions - 英文版
	GB/T 3668.10-1983 Modular units for machine tool construction--Spindle noses and adjustable adaptors for multi-spindle heads--Dimensions - 英文版
	GB/T 3455-1982 Electrical characteristics for unbalanced double-current interchange circuits - 英文版

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