Document :

ITU-T SG 5  (Study Period 2013)  Contribution  21

Title :

New study proposals of lightning protections of telecommunication installations

Date :

2013-01-16

Source :

Nippon Telegraph and Telephone Corporation (NTT)

AI/Question :

Q5/5

Meeting :

2013-01-29

Access :

Restricted to TIES users [ITU-T]