BS 6789-3.1:1985

system BS 1985-03-15 11 PDF 426 0 2026-07-09 00:50

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Apparatus with one or more particular functions for connection to the British Telecommunications public switched telephone network. Apparatus with auto-calling, auto-answering and auto-clearing facilities. Specification for auto-calling facilities | Status: Withdrawn

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Publisher BS

File size 1.48 MB

Pages 12

Format PDF

Publication date 1985-03-15

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File size 1.48 MB

Pages 12

Format PDF

Publication date 1985-03-15

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