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	GB 10493-1989 Technical specification for crossing signal equipment within the station 铁路站内道口信号设备技术条件 - 中英文版
	GB/T 10240-1988 Specifications for the editing and production of programme source for subjective assessment of sound quality of electro-acoustic products 电声产品声音质量主观评价用节目源编辑制作规范 - 中英文版
	GB/T 10098-1988 The specification of marine gearbox for medium speed diesel engine 船用中速柴油机齿轮箱技术条件 - 中英文版
	GB/T 7340-1987 Fixed resistors for use in electronic equipment--Part 6:Blank detail specification--Fixed resistor networks with individually measurable resistor of either different resistance values or different rated dissipations--Assessment level E 电子设备用固定电阻器第六部分:空白详细规范阻值和功耗不同，各电阻器可单独测量的固定电阻网络评定水平 E (可供认证用) - 中英文版
	GB/T 5599-1985 Railway vehicles--Specification for evaluation the dynamic performance and accreditation test 铁道车辆动力学性能评定和试验鉴定规范 - 中英文版
	GB/T 5444-1985 The test methods for the technical specifications of subscriber line signalling for automatic telephone switching network 电话自动交换网用户信号技术指标测试方法 - 中英文版
	GB/T 5443-1985 The test methods for the technical specifications of ringing and tone for automatic telephone switchingnetwork 电话自动交换网铃流和信号音技术指标测试方法 - 中英文版
	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 - 中英文版
	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 - 中英文版

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