-
GB 5322-1985 in English
Technical requirements and testing methods for crossbar private automatic branch exchange
VALID
Issued on:1985-08-24 | Implemented on:1986-04-01
$100.00 $97.00 -
GB/T 5581-1985 in English
ABOLISHED
Issued on:1985-01-01 | Implemented on:1986-07-01
$260.00 $253.00 -
GB/T 2094-1980 in English
Toll and local crossbar telephone switching system--Signal marks or colours of lamp and alarm ringer
VALID
Issued on:1980-12-09 | Implemented on:1981-07-01
$180.00 $175.00 -
GB/T 1494-1979 in English
Technical requirements for magnet/telephone
ABOLISHED
Issued on:1979-02-17 | Implemented on:1979-08-01
$260.00 $253.00 -
GB/T 1493-1979 in English
Technical requirements for common battery telephones and automatic telephones
ABOLISHED
Issued on:1979-02-17 | Implemented on:1979-08-01
$300.00 $291.00 -
-
YD 285-1982 in English
Technical specification for 2048kbit/s line terminal equipment
VALID
Issued on:- | Implemented on:1983-01-01
$240.00 $233.00 -
YD 284-1982 in English
Technical specification of 2048 kbit/s regenerative repeater
SUPERSEDED
Issued on:- | Implemented on:1983-01-01
$240.00 $233.00 -
GB 6880-1986 in English
Measuring methods of 30 channels pulse code modulation multiplex equipment at 2048 kbit/s
SUPERSEDED
Issued on:- | Implemented on:1987-10-01
$250.00 $243.00 -
GB 6879-1986 in English
Specifications of 30 channels pulse code modulation multiplex equipment at 2048 kbit/s
SUPERSEDED
Issued on:- | Implemented on:1987-10-01
$1,300.00 $1,261.00
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