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现行 TIA SP 3-4350.110
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TELECOMMUNICATIONS - TELEPHONE TERMINAL EQUIPMENT - HANDSET ACOUSTIC PERFORMANCE REQUIREMENTS FOR ANALOG TERMINALS 电信.电话终端设备.模拟终端的手持设备声学性能要求
发布日期: 2003-12-29
分类信息
发布单位或类别: 美国-美国电信工业协会
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研制信息
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