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K.12�:�Characteristics of gas discharge tubes for the protection of telecommunications installations

Recommendation K.12 (02/00)

Approved in 2000-02-25

Status : Superseded

Table of Contents

Summary


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PDF Document PDF (acrobat)

306163 bytes 2001-01-15 E�18564�
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321686 bytes 2001-01-15 S�18566�
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332798 bytes 2001-01-15 F�18565�

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265728 bytes 2001-01-15 E�18564� Download
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294912 bytes 2001-01-15 F�18565� Download

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Updated :�2010/03/24