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贸易单证样式
Layout key for trade document
数据通信 使用V.24和X.24互换电路的DTE到DTE物理连接的接法
Data communication--Arrangements for DTE to DTE physical connection using V.24 and X.24 interchange circuits
信息处理系统 数据通信 高级数据链路控制规程 与X.25 LAPB兼容的DTE数据链路规程的描述
Information processing systems--Data communication--High-level data link control procedures--Description of the X.25 LAPB-compatible DTE data link procedures
公用陆地移动通信网(450 MHz频段)中移动台-基站-移动电话交换局之间的信令
Signalling between mobile station and base station and mobile services switching centre in public land mobile communication network at 450MHz band
号筒扬声器通用技术条件
General specification for horn loudspeakers
船用法兰青铜、铸铁填料旋塞
Marine bronze and cast iron flanged cocks
船用法兰铸铁双排截止阀箱
Marine cast iron flange dual-row stop valves-case
船用法兰铸铁单排吸入截止止回阀箱
Marine flanged cast iron single arrangement suction stop check box valve
船用法兰铸铁单排吸入截止阀箱
Marine flanged cast iron single arrangement suction stop box valve
精油 命名原则
Essential oils--Principles of nomenclature
远动设备及系统 术语
Telecontrol equipment and systems--Glossary
12 GHz频段卫星广播业务(BSS)及其馈线链路的规划参数
Planning parameters for broadcasting-satellite service(BSS) in the band 12 GHz and BSS feeder links
彩色电视广播覆盖网技术规定
Technical specifications for coverage networks of colour TV broadcasting
无线电业务要求的信号/干扰保护比和最小可用场强
Protection ratios and minimum usable field strengths required in thd radio services
广播录音机抖晃测量方法
Measuring methods for wow and flutter of broadcast tape recorders
卫星广播业务和地面业务间的频率共用 11.7～12.2 GHz和12.5～12.75 GHz卫星广播业务(电视)和地面广播业务(电视)及地面无线电中继系统间的频率共用
Frequencysharing between the broadcasting-satellite services and terrestrial services--Frequency sharing between the broadcasting-satellite service(television)in one side and terrestrial broadcasting services(television)and terrestrial radio-relay system
卫星广播业务和地面业务间的频率共用 620～790 MHz卫星广播业务(电视)和地面广播业务(电视)间的频率共用
Frequency sharing between the broadcasting-satellite service and terrestrial services--Frequency sharing between the broadcasting-satellite service (television) and terrestrial broadcasting services(television) in frequency band 620～790MHz
卫星广播业务和地面业务间的频率共用 卫星广播业务(电视)和地面业务间的频率共用导则
Frequency sharing between the broadcasting-satellite service and terrestrial services--Guide to frequency sharing between the broadcasting-satellite service (television) and terrestrial services
工业产品保证文件 总则
General principles of industrial product guarantee documents
运输机械术语 提升机
Terms of conveying machinery--Elevator