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R.49 : Interband telegraphy over open-wire 3-channel carrier systems

Recommendation R.49 (11/88)

Approved in 1988-11-25

Status : In force


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PDF Document PDF (acrobat)

51723 bytes 1990-04-19 E 15289 
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PDF Document PDF (acrobat)

57915 bytes 1990-04-19 S 15289 
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PDF Document PDF (acrobat)

57376 bytes 1990-04-19 F 15289 

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Word Document Word

35001 bytes 1990-04-19 E 15289  Download
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Word Document Word

45540 bytes 1990-04-19 S 15289  Download
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Word Document Word

45790 bytes 1990-04-19 F 15289  Download

 

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Updated : 2001/09/10