-
GB/T 11330-1989 in English
Specification for added equalization equipment of carrier systems supergroup link
VALID
Issued on:1989-01-27 | Implemented on:1990-03-01
$180.00 $175.00 -
GB/T 11329-1989 in English
Specification for direct through connection--Equipment of carrier systems
VALID
Issued on:1989-01-27 | Implemented on:1990-03-01
$180.00 $175.00 -
-
GB 9044.2-1988 in English
Measurements for the rural subscriber loop carrier equipment
VALID
Issued on:1987-12-07 | Implemented on:1988-10-01
$150.00 $146.00 -
GB 9044.1-1988 in English
Specifications for the rural subscriber loop carrier equipment
VALID
Issued on:1987-12-07 | Implemented on:1988-10-01
$70.00 $68.00 -
-
GB/T 6555-1986 in English
Requirements for 3-channel carrier telephone equipment on an open-wire pair
VALID
Issued on:1986-09-02 | Implemented on:1987-07-01
$180.00 $175.00 -
YDJ 5-1985 in English
Specification for Installation Design of Long-Distance Communications Carrier Telephone Equipment
VALID
Issued on:1986-06-01 | Implemented on:1986-06-01
$810.00 $786.00 -
GB/T 5446-1985 in English
Specification for 12-channel transistorized carrier telephone equipment on an open-wire pair
VALID
Issued on:1985-10-17 | Implemented on:1986-06-01
$260.00 $253.00 -
GB/T 5445-1985 in English
Specification for HF 12-channel transistorized carrier telephone equipment on an open-wire pair
VALID
Issued on:1985-10-17 | Implemented on:1986-06-01
$410.00 $398.00








