R.4�:�Methods for the separate measurements of the degrees of various types of telegraph distortion

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R.4�:�Methods for the separate measurements of the degrees of various types of telegraph distortion �

Recommendation R.4 (11/88)

Approved in 1988-11-25

Status : In force

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PDF (acrobat)

48201 bytes

1990-04-19

E�15285�

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PDF (acrobat)

54601 bytes

1990-04-19

S�15285�

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PDF (acrobat)

55171 bytes

1990-04-19

F�15285�

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33686 bytes

1990-04-19

E�15285�

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44759 bytes

1990-04-19

S�15285�

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Word

47640 bytes

1990-04-19

F�15285�

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