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Public Switched Telephone Network (PSTN); Multifrequency push-button receiver at subscriber s premises [CEPT Recommendation T/CS 34-09 E (1983)]
STANDARD published on 15.9.1995
Designation standards: ETSI ETR 205-ed.1
Publication date standards: 15.9.1995
SKU: NS-311766
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: European technical standard
Category: Technical standards ETSI
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