Unreliable phone installations
Broader
Value
SDG
Metadata
Database
World problems
Type
(G) Very specific problems
Biological classification
N/A
Subject
Amenities » Equipment
Transportation, telecommunications » Telephone, telex, telefax
Research, standards » Quality unification
Content quality
Yet to rate
Language
English
1A4N
G8016
DOCID
11780160
D7NID
152084
Last update
Nov 28, 2022