$104.14Original price was: $104.14.$62.00Current price is: $62.00.
A draft amendment to BS 6789-6.1:1986 "Apparatus with one or more particular functions for connection to certain public switched telephone networks. Part 6. Specification for series connected apparatus. Section 6.1. Apparatus having maximum allowable impairments"
BS PD 6564 – A draft amendment to BS 6789-6.1:1986 "Apparatus with one or more particular functions for connection to certain public switched telephone networks. Part 6. Specification for series connected apparatus. Section 6.1. Apparatus having maximum allowable impairments"
