ITU

التزام بتوصيل العالم

Determination of the noise level for sound broadcasting in the tropical zone

Resolution 30 (1978)

Status : Withdrawn

Access : Free Download


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English

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6969 bytes 1978-01-01 N/A  
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6719 bytes 1978-01-01 N/A  
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6898 bytes 1978-01-01 N/A