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1686+ standards in database

1686 result(s) found

GB/T 11449.4-1989 Active

波导法兰盘 第四部分:圆形波导法兰盘规范

Flanges for waveguides--Part 4:Relevant specification for flanges for circular waveguides

ICS: 33.120.10
1990-03-01
GB/T 11450.4-1989 Active

空心金属波导 第四部分:圆形波导有关规范

Hollow metallic waveguides--Part 4:Relevant specifications for circular waveguides

ICS: 33.120.10
1990-03-01
GB/T 11450.3-1989 Active

空心金属波导 第三部分:扁矩形波导有关规范

Hollow metallic waveguides--Part 3:Relevant specifications for flate rectangular waveguides

ICS: 33.120.10
1990-03-01
GB/T 11451-1989 Active

软波导组件性能

Flexible waveguide assembly performance

ICS: 33.120.10
1990-03-01
GB/T 11450.6-1989 Active

空心金属波导 第七部分:方形波导有关规范

Hollow metallic waveguides--Part 7:Relevant specifications for square waveguides

ICS: 33.120.10
1990-03-01
GB/T 11450.5-1989 Active

空心金属波导 第六部分:中等扁矩形波导有关规范

Hollow metallic waveguides--Part 6:Relevant specifications for medium flat rectangular waveguides

ICS: 33.120.10
1990-03-01
GB/T 11594-1989 Abolished

公用数据网上数据终端设备(DTE)与数据电路终接设备(DCE)间的互换电路定义表

List of definitions for interchange circuits between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) on public data networks

ICS: 33.040.50
1990-03-01
GB/T 11592-1989 Abolished

公用数据网上起/止传输业务使用的数据终端设备(DTE)和数据电路终结设备 (DCE)间的接口

Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for start stop transmission services on public data networks

ICS: 33.040.50
1990-03-01
GB/T 11820-1989 Abolished

市内光缆通信系统进网要求

The requirements for urban optical fiber cable systems joined to national public telecommunication network

ICS: 33.180.30
1990-07-01
GB/T 12046-1989 Abolished

无线电发射的标识及必要带宽的确定

Designation of radio emissions and determination of necessary bandwidths

ICS: 33.060.20
1990-07-01
GB/T 12166-1990 Active

非平衡电压数字接口电路的电气特性

Electrical characteristics of unbalanced voltage digital interface circuits

ICS: 33.040.50
1990-08-01
GB/T 12171-1990 Abolished

TDM/FDM 60路复用转换设备进网要求

Specification for TDM/FDM 60-channeltransmultiplexing equipments used in the telecommunication network

ICS: 33.040.40
1990-08-01
GB/T 12189-1990 Abolished

电视广播激励器通用技术条件

General specification for television broadcasting exciter

ICS: 33.160.20
1990-08-01
GB/T 12185-1990 Abolished

中波调幅广播激励器通用技术条件

General specification for exciter used to MW AM broadcast transmitter

ICS: 33.060.20
1990-08-01
GB/T 12183-1990 Abolished

空中交通管制机载应答机通用技术条件

General specification of airborne transponders for air traffic control

ICS: 33.200
1990-08-01
GB/T 12182-1990 Abolished

空中交通管制二次监视雷达通用技术条件

General specification of secondary surveillance radar for air traffic control

ICS: 33.200
1990-08-01
GB/T 12193-1990 Abolished

移动通信调频无线电话接收机测量方法

Methods of measurement for radio receivers employing F3E emission used in the mobile services

ICS: 33.060.20
1990-08-01
GB/T 12192-1990 Abolished

移动通信调频无线电话发射机测量方法

Methods of measurement for radio transmitters employing F3E emission used in the mobile services

ICS: 33.060.20
1990-08-01
GB/T 12281-1990 Abolished

彩色电视广播接收机与其他设备互连配接要求

Requirements for the interconnections and matching of color television broadcast receivers and other equipment

ICS: 33.160.20
1990-10-01
GB/T 12322-1990 Abolished

通用型应用电视设备可靠性试验方法

Methods of reliability testing for universal CCTV systems

ICS: 33.160.20
1990-12-01
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