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� Home : ITU-T : Publications : Recommendations : Q�Series : Q.458 : Q.458 (11/88)
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Q.458�:�Reliability of interregister signalling �

Recommendation Q.458 (11/88)

Approved in 1988-11-25

Status : In force

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PDF Document PDF (acrobat)

49454 bytes 1989-02-10 E�11860�
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PDF Document PDF (acrobat)

55289 bytes 1989-02-10 S�11860�
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PDF Document PDF (acrobat)

55628 bytes 1989-02-10 F�11860�

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Format Size Posted Article Number TIES users
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Word Document Word

34469 bytes 1989-02-10 E�11860� Download
Espa�ol

Word Document Word

45653 bytes 1989-02-10 S�11860� Download
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Word Document Word

44602 bytes 1989-02-10 F�11860� Download

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