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人工长途电话交换设备业务观察台(质量检查台)技术要求和测试方法
Technical requirements and test methods for service observation desks (Quality checking desks) in manual toll telephone switching equipments
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人工长途电话交换设备长途业务台(记录台、查询台)技术要求和测试方法
Technical requirements and test methods for toll service boards (Toll recording boards, enquiry desks) In manual toll telephone switching equipments
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人工长途电话交换设备长途接续台、专线台技术要求和测试方法
Technical requirements and test methods for toll connecting boards And special boards in manual toll telephone switching equipments
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人工长途电话交换设备通用技术要求和测试方法
General technical requirements and test methods For manual toll telephone switching equipment
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固定电话网主叫识别信息传送技术要求及测试方法 第一部分:技术要求
Technical specification and testing method of caller identity delivery based on PSTN part 1: technical specification
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JXD-37型袖珍式无线电话机
Wireless portable telephone for JXD-37
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民用小型无线电话机及其附属设备.质量检验规则
Quality inspection procdures for small-size radio telephones and their assessories for commercial use
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民用小型无线电话机及其附属设备环境要求和试验方法
Environmetal requirments and test methods for small-size radio telephones and their asessories for commercial use
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27～470MHz调频（或调相）民用小型无线电话机技术条件
Specification for 27~470MHz FM(or PM) small-size radio telephones for commercial use
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4800bit/s有线话带调制解调器通用规范
Generic specification for 4800bit/s wire voice-band modems
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