Information technology. Telecommunications and information exchange between systems. Private telecommunications networks. Digital channel aggregation
适用范围:This International Standard defines a set of procedures collectively called 'Digital Channel Aggregation', which are used in the provision of an aggregated bearer service. Digital channel aggregation i...
实施日期:1998-08-15
Coal preparation plant -- Principles and conventions for flowsheets
适用范围:Sets out principles and conventions for use in preparation of basic process and equipment flowsheets for the design of a coal preparation plant. In order to cover the various stages leading to the fina...
发布日期:1989-11-01 实施日期:1989-11-01
Information Processing-Conventions for Incorporating Flowchart Symbols in Flowcharts
发布日期:1981-04-22 实施日期:1983-02-11
Management services. Guide to method study
适用范围:This Part of BS 3375 gives guidance on procedures and techniques of method study. It recommends the overall approach that should be adopted when attempting to improve structures, methods, systems and p...
适用范围:本规定适用于工程设计中工艺生产装置及配套的辅助装置(或设施)所选用的各种定型、非定型机械、设备等的分类,以及在图纸(或设备表)中名称和位号的编制。
发布日期:1994-08-03 实施日期:1994-11-01
Analytical operations; illustrated representation
适用范围:Abstract symbols are determined for laboratory utensils, operations and procedures.#,,#
Connectors for electronic equipment. Tests and measurements. Test schedule for engaging and separating connectors under electrical load. Test 99a:Connectors used in twisted pair communication cabling w...
发布日期:2012-11-30 实施日期:2012-11-30
Road vehicles -- Circuit breakers -- Part 4: Medium circuit breakers with tabs (Blade type), Form CB15
适用范围:ISO 10924-4:2009 specifies medium circuit breakers with tabs (Blade type), Form CB15, for use in road vehicles. It establishes, for this circuit breaker form, the rated current, test procedures, perfor...
发布日期:2009-12-01 实施日期:2009-12-01
Information technology -- Telecommunications and information exchange between systems -- Private Integrated Services Network -- Specification, functional model and information flows -- Wireless Termina...
适用范围:This International Standard specifies the Authentication supplementary services, which are applicable to various basic services supported by Private Integrated Services Networks (PISN). Basic services ...
Refrigerating systems and heat pumps - System flow diagrams and piping and instrument diagrams - Layout and symbols; German version EN 1861:1998
适用范围:The document defines the symbols and drawing rules for system flow diagrams and piping and instrument diagrams to be applied to refrigerating systems including heat pumps.
Powered ride-on turf care equipment -- Roll-over protective structures (ROPS) -- Test procedures and acceptance criteria
适用范围:ISO 21299:2009 defines test procedures and acceptance criteria for the roll-over protective structures (ROPS) of powered ride-on turf care machinery with a mass of 3 000 kg or less. It is not applicabl...
发布日期:2009-04-01 实施日期:2009-04-01
实施日期:2003-05-01
Control systems in the process industry. Electrical and instrumentation loop check
发布日期:2013-03-31 实施日期:2013-03-31
Fliessschemata fuer verfahrenstechnische Anlagen. Allgemeine Regeln Flow Diagrams for Process Plants-General Rules Schemas de procede pour les unites de fabrication/de production. Regles generales
适用范围:This International Standard establishes general rules for the preparation of flow diagrams for process plants. These diagrams represent the configuration and function of process plants and form integra...
实施日期:2001-10-15
Refrigerating systems and heat pumps - Flexible pipe elements, vibration isolators and expansion joints - Requirements, design and installation
适用范围:本标准规定了制冷系统和热泵的制冷剂回路中使用的软管件、隔震管和膨胀接头的要求、设计与安装。 本标准适用于制冷系统和热泵的制冷剂回路中的金属软管、金属挠管、非金属软管、隔震管、膨胀接头。 本标准不适用于仅偶尔受力...
发布日期:2009-04-17 实施日期:2009-11-01
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