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移动和固定电话机维修资质要求
The requirements for qualification of mobile and fixed telephone service
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N-ISDN会议电视进网技术要求及测试方法
The technical requirement and test method for video conference system based on N-ISDN
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多媒体IC卡公用电话系统技术规范
The technical specification of multimedia IC card public telephone system
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智能公用电话系统技术要求
The technical requirements of intelligent public telephone system
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数字式电话集中机技术要求及试验方法
Technical requirements and test method for digital concentrated telephone units
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市内电话程控交换设备安装工程施工及验收暂行技术规定
Technical specifications for Installation engineering construction and acceptance of urban local telephone SPC exchange equipment
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长途通信电话交换设备安装工程施工及验收技术规范
Technical specifications for Installation engineering construction and acceptance of long-distance communication telephone exchange equipment
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市内电话交换设备安装工程施工及验收技术规范
Technical specifications for Installation engineering construction and acceptance of urban local telephone exchange equipment
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人工长途电话交换设备营业处交换机技术要求和测试方法
Technical requirements and test methods for exchangers of operating services in manual toll telephone switching equipments
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人工长途电话交换设备班长台技术要求和测试方法
Technical requirements and test methods for monitor's desks in manual toll telephone switching equipments
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