China Specification of ele GB Standards Search Result

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	GB/T 5442-1985 The test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network 电话自动交换网带内单频脉冲线路信号技术指标测试方法 - 英文版
	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

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