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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
价格:¥0.00
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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
价格:¥0.00
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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
价格:¥0.00
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军用录音电话机通用规范
General specification for military recording telephones
价格:¥0.00
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舰船用电话机通用规范
General specification for telephones used on shipboard
价格:¥0.00
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送话器和受话器性能测量方法
Measuring methods for performance of transmitters and receivers
价格:¥0.00
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通信仪表的电磁兼容性限值及测量方法
Limits and methods of measurement of electromagnetic compatibility for communication instruments
价格:¥0.00
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