1990 year China issued GB standards list


	GB/T 12214-1990 Silica sand and flour for investment casting 熔模铸造用硅砂、粉
	GB/T 12506-1990 Generic specification for windfinding radars 测风雷达通用技术条件
	GB/T 12281-1990 Requirements for the interconnections and matching of color television broadcast receivers and other equipment 彩色电视广播接收机与其他设备互连配接要求
	GB/T 12354-1990 Method of model designation for the electronic computer peripheral equipment 电子计算机外围设备型号命名方法
	GB/T 12640-1990 Methods of measurement for the digital microwave radio relay communication equipments 数字微波接力通信设备测量方法
	GB/T 12567-1990 Methods of measurement of display storage tubes 直观存储管测试方法
	GB/T 12247-1989 Automatic steam traps--Classification 蒸汽疏水阀分类
	GB 12259-1990 Artificial heart-lung machine 人工心肺机
	GB/T 12193-1990 Methods of measurement for radio receivers employing F3E emission used in the mobile services 移动通信调频无线电话接收机测量方法
	GB/T 12480-1990 Rain proof performance test mothod for buses 客车防雨密封性试验方法
	GB/T 12183-1990 General specification of airborne transponders for air traffic control 空中交通管制机载应答机通用技术条件
	GB/T 12569-1990 Blank detail specification for display storage tubes 直观存储管空白详细规范 (可供认证用)
	GB/T 12577-1990 Refrigerator oils--Determination of floc point 冷冻机油絮凝点测定法

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