Grades of service in digital international telephone exchanges
数字国际电话交换机的服务等级
1988-11-25
TIA 470
TELECOMMUNICATIONS TELEPHONE TERMINAL EQUIPMENT OVERVIEW OF PERFORMANCE STANDARDS FOR ANALOG TELEPHONES
电信电话终端设备模拟电话性能标准概述
2003-12-01
ITU-T E.550
Grade-of-service and new performance criteria under failure conditions in international telephone exchanges
国际电话交换机故障条件下的服务等级和新性能标准
1993-03-12
IEEE 820-2021
IEEE Standard Telephone Loop Performance Characteristics
IEEE标准电话环路性能特征
2022-04-13
NY/T 1792-2009
桃等级规格
Standards for grades of peaches
2009-12-22
NY/T 3380-2018
猪肉分级
Grading standard for pork
2018-09-30
NY/T 1794-2009
猕猴桃等级规格
Standards for grades of kiwifruits
2009-12-22
NY/T 1789-2009
草莓等级规格
Standard for grades of strawberries
2009-12-22
NY/T 1793-2009
苹果等级规格
Standards for grades of apples
2009-12-22
TIA/EIA SP 3949
PWT INTEROPERABILITY STANDARD TELEPHONE APPLICATIONS TEST SPECIFICATION
PWT互操作性标准电话应用测试规范
1999-01-18
ITU-T E.132
Standardization of elements of control procedures for supplementary telephone services
补充电话业务控制程序要素的标准化
1988-11-25
ASTM D7643-22
Standard Practice for Determining the Continuous Grading Temperatures and Continuous Grades for PG Graded Asphalt Binders
PG级配沥青粘合剂连续级配温度和连续级配测定的标准实施规程
2022-06-01
KS K 0504(2024 Confirm)
필링 판정 표준 사진
起球等级标准照片
2019-12-24
KS K 0504
필링 판정 표준 사진
标准PHOTOGRAPHS起毛起球等级
2019-12-24
T/CRIA 11003-2016
轮胎分级标准
Standard for grading of tyre parameters
2016-06-15
KS K 0504
필링 판정 표준 사진
标准PHOTOGRAPHS起毛起球等级
2025-03-12
AASHTO R 29-15(2023)
Standard Practice for Grading or Verifying the Performance Grade (PG) of an Asphalt Binder
沥青粘合剂性能等级分级或检验的标准实施规程
IEEE 661-1979
IEEE Standard Method for Determining Objective Loudness Ratings of Telephone Connections
IEEE确定电话连接客观响度等级的标准方法
1979-11-29
IEEE 1206-1994
IEEE Standard Methods for Measuring Transmission Performance of Telephone Handsets and Headsets
IEEE测量电话听筒和耳机传输性能的标准方法
1994-07-29
IEEE 1390-1995
IEEE Standard for Utility Telemetry Service Architecture for Switched Telephone Network
交换电话网络公用遥测服务体系结构IEEE标准