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� Home : ITU-T : Publications : Recommendations : X�Series : X.521 : X.521 (11/93)
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X.521�:�Information technology - Open Systems Interconnection - The directory: Selected object classes �

Recommendation X.521 (11/93)

Approved in 1993-11-16

Status : Superseded

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Format Size Posted Article Number
English

PDF Document PDF (acrobat)

107598 bytes 2001-05-30 E�5702�
Espa�ol

PDF Document PDF (acrobat)

121561 bytes 2001-05-30 S�6170�
Fran�ais

PDF Document PDF (acrobat)

123816 bytes 2001-05-30 F�6261�

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