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Apparatus with one or more particular functions for connection to certain public switched telephone networks. Specification for series connected apparatus. Apparatus having maximum allowable impairments.
STANDARD published on 31.12.1986
Designation standards: BS 6789-6.1:1986
Note: WITHDRAWN
Publication date standards: 31.12.1986
SKU: NS-75118
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: British technical standard
Category: Technical standards BS
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