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The purpose of this document is to a) define a set of basic concepts required to describe formal concept representation systems, especially for health sciences, b) describe representation of concepts and characteristics, for use especially in formal computer-based concept representation systems, c) describe the characteristics which synthetically describe the organisation and content of a…

1 Scope This clause of Part 1 is replaced by the following. This part of IEC 60335 deals with the safety of electric fishing machines by means of which water may be electrified for the purpose of catching fish or for providing barriers to all animals living in water. The rated voltage of electric fishing machines is not more than 250 V for single phase machines and 480 V for other…

1 Scope This clause of Part 1 is replaced by the following. This part of IEC 60335 deals with the safety of electric animal-stunning equipment the rated voltage of which is not more than 250 V for single-phase appliances and 480 V for other appliances. NOTE 101 Battery-operated appliances and other d.c. supplied appliances are within the scope of this standard. Dual supply appliances,…

1 Scope 1.1 This Standard applies to all types of laboratory fume hoods, including ductless fume hoods. The following clauses are not relevant to ductless fume hoods: 4.3.6, 4.3.7, 4.3.8, 4.4, 5.3.5.1, 7.2, and 10.3.2.4l) to p). Note: Ductless fume hoods should not be considered acceptable substitutes for ducted fume hoods. They may be suitable alternatives provided there is an application-…

Scope This clause of Part 1 is replaced by the following. This International Standard deals with the safety of electrical portable, non-self-propelled motor-operated SPRAY EXTRACTION MACHINES with or without attachments and with or without electrical heating elements, intended for commercial indoor use. NOTE 101 This standard applies to machines for COMMERCIAL USE. The following list,…

This document specifies the application module for AP242 managed model based 3D engineering. The following are within the scope of this document: products of automotive, aerospace and other mechanical manufacturers and of their suppliers, including parts, assemblies of parts, tools,…

IEC 60317-71:2020 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60317-71:2020 specifies the requirements of polyester glass-fibre wound resin/varnish impregnated, bare, grade 1…

IEC 60317-72:2020 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60317-72: 2020 specifies the requirements of polyester glass-fibre wound silicone resin/varnish impregnated, bare…

IEC 62841-2-3:2020: applies to hand-held grinders, disc-type polishers and disc-type sanders, including angle, straight and vertical tools, intended for use on various materials except magnesium, with a rated capacity not exceeding 230 mm. For grinders, the rated no-load speed does not exceed a peripheral speed of the accessory of 80 m/s at rated capacity. This standard does not apply to…

1 Scope This clause of Part 1 is replaced by the following. This International Standard deals with the safety of cosmetic and beauty care appliances incorporating lasers or intense light sources for household and similar purposes, where their operation relies on contact with the skin, their rated voltage being not more than 250 V. NOTE 101 Battery-operated appliances and other d.c. supplied…