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R.43 : Simultaneous communication by telephone and telegraph on a telephone-type circuit

Recommendation R.43 (11/88)

Approved in 1988-11

Status : In force


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PDF Document PDF (acrobat)

50054 bytes 1990-04-19 E 15287 
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PDF Document PDF (acrobat)

56634 bytes 1990-04-19 S 15287 
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PDF Document PDF (acrobat)

57102 bytes 1990-04-19 F 15287 

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Word Document Word

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Updated : 2001/09/10