BS 6789-3.1:1985
Withdrawn Standard
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BS 6789-3.1:1985

Apparatus with one or more particular functions for connection to the British Telecommunications public switched telephone network. auto-calling, auto-answering and auto-clearing facilities Specification auto-calling
No description.

Technical characteristics

Publisher British Standards Institution (BSI)
Publication Date 03/15/1985
Cancellation Date 09/27/2012
Page Count 12
Themes Performance testing
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ISBN ---
Weight (in grams) ---
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