ITU-T H.21 PDF

Name:
ITU-T H.21 PDF

Published Date:
10/01/1984

Status:
[ Withdrawn ]

Description:

Composition and terminology of international voice-frequency telegraph systems

Document status:

Active

Format:

Electronic (PDF)

Delivery time:

10 minutes

Delivery time (for Russian version):

200 business days

SKU:

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