Cover image for Apparatus with one or more particular functions for connection to the British telecommunications public switched network, part 3. apparatus with auto-calling, auto-answering and auto-clearing facilities
Title:
Apparatus with one or more particular functions for connection to the British telecommunications public switched network, part 3. apparatus with auto-calling, auto-answering and auto-clearing facilities
Corporate Author:
British Standards Institution
General Note:
Identical with PD 6562 : 1992
Subject Term:
Telephone -- Apparatus and supplies -- Standards

Telephone answering and recording apparatus

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Material Type
Item Category 1
Status
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 30000004001594 PIA BS 6789 : Sec 3.1 : 1985 Closed Access Book Standard
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On Order