【国外标准】 2400 bits per second duplex modem using the frequency division technique standardized for use on the general switched telephone network and on point-to-point 2-wire leased telephone-type circuits
本网站 发布时间:
2025-10-22
- ITU-T V.22bis
- 现行
- 定价: 无文本
- 在线阅读
开通会员免费在线看70000余条国内标准,赠送文本下载次数,单本最低仅合13.3元!还可享标准出版进度查询、定制跟踪推送、标准查新等超多特权!  
查看详情>>
适用范围:
暂无
标准号:
ITU-T V.22bis
标准名称:
2400 bits per second duplex modem using the frequency division technique standardized for use on the general switched telephone network and on point-to-point 2-wire leased telephone-type circuits
英文名称:
标准状态:
现行-
发布日期:
2025-11-01 -
实施日期:
出版语种:
- 推荐标准
- ASTM A403/A403M-22b Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
- ASTM A475-22 Standard Specification for Metallic-Coated Steel Wire Strand
- ASTM A494/A494M-22 Standard Specification for Castings, Nickel and Nickel Alloy
- ASTM A522/A522M-22 Standard Specification for Forged or Rolled 8 and 9% Nickel Alloy Steel Flanges, Fittings, Valves, and Parts for Low-Temperature Service
- ASTM A53/A53M-22 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
- ASTM A553/A553M-22 Standard Specification for Pressure Vessel Plates, Alloy Steel, Quenched and Tempered 7 %, 8 %, and 9 % Nickel
- ASTM A581/A581M-22a Standard Specification for Free-Machining Stainless Steel Wire and Wire Rods
- ASTM A582/A582M-22 Standard Specification for Free-Machining Stainless Steel Bars
- ASTM A626/A626M-22 Standard Specification for Tin Mill Products, Electrolytic Tin Plate, Double Reduced
- ASTM A635/A635M-22 Standard Specification for Steel, Sheet and Strip, Heavy-Thickness Coils, Hot-Rolled, Alloy, Carbon, Structural, High-Strength Low-Alloy, and High-Strength Low-Alloy with Improved Formability, General Requirements for
- ASTM A693-22 Standard Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
- ASTM A706/A706M-22a Standard Specification for Deformed and Plain Low-Alloy Steel Bars for Concrete Reinforcement
- ASTM A757/A757M-22 Standard Specification for Steel Castings, Ferritic and Martensitic, for Pressure-Containing and Other Applications, for Low-Temperature Service
- ASTM A775/A775M-22 Standard Specification for Epoxy-Coated Steel Reinforcing Bars
- ASTM A778/A778M-22 Standard Specification for Welded, Unannealed Austenitic Stainless Steel Tubular Products

我的标准
购物车
400-168-0010








