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� Home : ITU-T : Publications : Recommendations : E�Series : E.720 : E.720 (11/88)
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E.720�:�ISDN grade of service concept �

Recommendation E.720 (11/88)

Approved in 1988-11-01

Status : In force

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Format Size Posted Article Number
English

PDF Document PDF (acrobat)

62143 bytes 1989-01-31 E�14871�
Espa�ol

PDF Document PDF (acrobat)

69473 bytes 1989-01-31 S�14871�
Fran�ais

PDF Document PDF (acrobat)

77114 bytes 1989-01-31 F�14871�

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Format Size Posted Article Number TIES users
English

Word Document Word

444438 bytes 1989-01-31 E�14871� Download
Espa�ol

Word Document Word

460720 bytes 1989-01-31 S�14871� Download
Fran�ais

Word Document Word

459382 bytes 1989-01-31 F�14871� Download

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