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	GB/T 11735-1989 Standard method for hygienic examination of bery-llium in air of residential areas--Morin fluorescence spectrophotometric method - 英文版
	GB/T 11734-1989 Standard methodfor hygienic examination of methylparathion in air of residential areas--Gas chromatography - 英文版
	GB/T 11733-1989 Standard method for hygienic examination of inor-ganic sulfate in air of residential areas--Ion chromatography - 英文版
	GB/T 11732-1989 Standard method for hygienic examination of pyridine in air of residential areas--Cyanogen chloride-barbituric acid apectrophotometric method - 英文版
	GB/T 11731-1989 Standard method for hygienic examination of nitrobenzene in air of residential areas--Gas chromato-graphy - 英文版
	GB/T 11712-1989 Dose conversion factors for use in protection against X，γ-ray external radiation - 英文版
	GB/T 11632-1989 Technical specifications of material of pressure hull structure for submersibles and underwater equipments - 英文版
	GB/T 11631-1989 Technical specifications of manufacture of pressure hull structure for submersibles and underwater equipments - 英文版
	GB 11680-1989 Hygienic standard of paper used for food packaging - 英文版
	GB 11678-1989 Hygienic standard for polytetrafluorethylene used as inner coating of food containers - 英文版
	GB 11607-1989 Water quality standard for fisheries - 英文版
	GB/T 11578-1989 The landing boom for St. Lawrence seaway - 英文版
	GB 11667-1989 Hygienic standard for inhalable particulate matter in ambient air of residential areas - 英文版
	GB 11660-1989 Health protection zone standard for ironmaking plants - 英文版
	GB 11659-1989 Health protection zone standard for lead storage battery plants - 英文版
	GB 11657-1989 Health protection zone standardfor copper smeltery (closed blast furnace type) - 英文版
	GB/T 11548-1989 Standard test method for impact resistance of rigid plastic sheeting by means of a tup (falling weight) - 英文版
	GB 11719-1989 Health standard for solvent gasolines in the air of workplace - 英文版
	GB 4285-1989 Standards for safety application of pesticides - 英文版
	GB 11726-1989 Health standard for dusts of aluminium，aluminium oxide and aluminium alloys in the air of workplace - 英文版
	GB 11725-1989 Health standard for dust containing more than 80% free silica in the air of workplace - 英文版
	GB 11724-1989 Health standard for dust containing 50%～80% free silica in the air of workplace - 英文版
	GB 11723-1989 Health standard for 1，2-dichloroethane in the air of workplace - 英文版
	GB 11722-1989 Health standard for vanadium and its compounds in the air of workplace - 英文版
	GB 11721-1989 Health standard for ethylene oxide in the air of workplace - 英文版
	GB 11720-1989 Health standard for trichlorfon in the air ofworkplace - 英文版
	GB/T 11451-1989 Flexible waveguide assembly performance - 英文版
	GB/T 11450.6-1989 Hollow metallic waveguides--Part 7:Relevant specifications for square waveguides - 英文版
	GB/T 11450.5-1989 Hollow metallic waveguides--Part 6:Relevant specifications for medium flat rectangular waveguides - 英文版
	GB/T 11450.4-1989 Hollow metallic waveguides--Part 4:Relevant specifications for circular waveguides - 英文版

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