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1.1 Scope 1.1.1 This standard covers gas-fired refrigerators, hereinafter referred to as refrigerators or appliances, having refrigerated spaces for: (a) Storage of foods; or (b) Storage of foods and making ice; or (c) Storage of frozen foods and m

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1. Scope Part 1 - Ballasts for Use with Fluorescent Lamps 1.1 These requirements apply to ballasts of the resistance, reactance, and electronic (solid state) types for use with fluorescent lamps, involving potentials of 2500 V to ground or less dur

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BS 5502-74:1991 Buildings and structures for agriculture 现行 发布日期 :  1991-12-20 实施日期 : 

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1.1 This specification covers the physical characteristics of round timber construction poles to be used either treated or untreated.1.2 This test method covers basic principles for establishing recommended design stress values for round timber construction poles that are applicable to the quality described.1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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