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BS PD 6560:1992
M00000419
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BS PD 6560:1992 A draft amendment to BS 6305:1992 "Specification for general requirements for apparatus for connection to public switched telephone networks run by certain public telecommunications operators"
standard by BSI Group, 10/31/1992
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Cross References:
BS 6305
BS 6320
CCITT Recommendation 0.133
CCITT Recommendation P 52