R.79�:�Automatic tests of transmission quality on telegraph circuits between switching centres

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R.79�:�Automatic tests of transmission quality on telegraph circuits between switching centres �

Recommendation R.79 (11/88)

Approved in 1988-11-25

Status : In force

Incorporates R.79 bis (1984)

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PDF (acrobat)

123574 bytes

1990-04-19

E�15311�

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PDF (acrobat)

137547 bytes

1990-04-19

S�15311�

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PDF (acrobat)

139546 bytes

1990-04-19

F�15311�

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English

Word

1271655 bytes

1990-04-19

E�15311�

Espa�ol

Word

1294201 bytes

1990-04-19

S�15311�

Fran�ais

Word

1317232 bytes

1990-04-19

F�15311�

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