[TB/T 2177-1990] 铁路整体式电话集中机技术要求和试验方法[已作废]
发布时间:1991-07-01
实施时间:1991-07-01
|
|
[TB/T 2130.1-1990] 列车调度电话 总机技术要求[现行]
发布时间:1990-08-20
实施时间:1990-12-01
|
|
[TB/T 2130.2-1990] 列车调度电话 总机试验方法[现行]
发布时间:1990-08-20
实施时间:1990-12-01
|
|
[TB/T 2130.3-1990] 列车调度电话 选叫通话箱技术要求和试验方法[现行]
发布时间:1990-08-20
实施时间:1990-12-01
|
|
[TB/T 2130.4-1990] 列车调度电话 汇接分配器技术要求和试验方法[现行]
发布时间:1990-08-20
实施时间:1990-12-01
|
|
[TB/T 2130.5-1990] 列车调度电话 载波中继器技术要求和试验方法[现行]
发布时间:1990-08-20
实施时间:1990-12-01
|
|
[TB/T 2130.6-1990] 列车调度电话分机技术要求和试验方法[现行]
发布时间:1990-08-20
实施时间:1990-12-01
|
|
[TB/T 2130.7-1990] 列车调度电话 双向增音机技术要求和试验方法[现行]
发布时间:1990-08-20
实施时间:1990-12-01
|
|
[TB/T 2133-1990] 铁路客车通信配线主要技术要求[现行]
发布时间:1990-08-20
实施时间:1990-12-01
本标准规定了铁路客车通信和其它信息所需传输配线及其布设方式的主要技术要求。本标准适用于新造或老车加装..
|
|
[TB 2088-1989] 铁路电话交换网传输衰耗[现行]
发布时间:1989-04-07
实施时间:1989-12-01
本标准规定了铁路电话交换网内自动、半自动和人工交换的全程传输衰耗及其分配。本标准适用于工程建设、设备..
|
|
[TB/TN 1-1985] 铁路电话交换网 长途自动电话编号[现行]
发布时间:1985-06-13
实施时间:1985-10-01
本标准适用于按局间枢纽、局枢纽、端站组成的长途自动电话交换网和汇接所、分所、支所构成的地区自动电话交..
|
- Hexalobular socket head cap screws
- Energy performance of fenestration systems for residential buildings - Calculation procedure
- Aerospace Series - Cable Outlet Accessories for Circular and Rectangular Electrical and Optical Connectors Part 002: Index of Product Standards
- Aerospace Series - Cable Outlet Accessories for Circular and Rectangular Electrical and Optical Connectors Part 064: Cable Outlet, Style k, Straight, for Heat Shrinkable Boot, Shielded, Sealed, Self-locking for en 2997 - Product Standard
- Welding Consumables - Tubular Cored Electrodes for gas Shielded and Non-gas Shielded Metal arc Welding of Non-alloy and Fine Grain Steels - Classification (iso 17632:2015)
- Slide Fasteners (zips) - Specification
- Railway Applications - Methods for Calculation of Stopping and Slowing Distances and Immobilization Braking Part 2: Step by Step Calculations for Train Sets or Single Vehicles
- Cleanrooms and Associated Controlled Environments Part 1: Classification of air Cleanliness by Particle Concentration (iso 14644-1:2015) & Part 2: Monitoring to Provide Evidence of Cleanroom Performance Related to air Cleanliness by Particle Concentration (iso 14644-2:2015)
- Welding Consumables - Wire Electrodes, Wires and Rods for Welding of Aluminium and Aluminium Alloys - Classification (iso 18273:2015)
- Railway Applications - Brake Discs for Railway Rolling Stock Part 3: Brake Discs, Performance of the Disc and the Friction Couple, Classification