China Specification for ec GB Standards Search Result

and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within 1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days .


	GB/T 4831-1984 Specification for model of rotating electrical machines 电机产品型号编制方法 - 英文版
	GB/T 3971.3-1983 The test methods for the technical specifications of multi-frequency register signalling for telephone auto-matic switching network 电话自动交换网多频记发器信号技术指标测试方法 - 英文版
	GB/T 3873-1983 General specifications for products packaging of communication equipments 通信设备产品包装通用技术条件 - 英文版
	GB/T 3556-1983 Standard gray and color test chart for photography--Specifications 摄影用标准灰板、色板的技术规范 - 英文版
	GB/T 3203-1982 Specification for carburizing steels of bearings 渗碳轴承钢技术条件 - 英文版
	GB/T 305-2019 Rolling bearings－Snap ring grooves and snap rings for radial bearings－Dimensions，geometrical product specifications (GPS) and tolerance values 滚动轴承向心轴承止动槽和止动环尺寸、产品几何技术规范（GPS）和公差值 - 英文版

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