Ultrasonics. Non-focusing short pressure pulse sources including ballistic pressure pulse sources. Characteristics of fields1 Scope This document is applicable to therapy equipment using extracorporeally induced non focused or weakly focused pressure pulses; therapy equipment producing extracorporeally induced non focused or weakly focused mechanical energy, where the pressure pulses are released as single events of duration up to 25 s. This document does not apply to therapy equipment using focusing pressure pulse sources such as extracorporeal lithotripsy equipment;

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16 for trace heaters and integral components specified for outdoor exposure Applies 7

requires a consistent framework for measuring and reporting the quality of address data

Fibre optic interconnecting device companies

BS EN IEC 61869‑14 is useful as it provides guidance on the purpose of the test

With BS EN 50636-2-100 you can ensure the safety of end-consumers against electric shock and other hazards

Welding primer is a film material that is applied to an unpainted steel surface for protective purposes which does not have to be removed prior to welding and does not prevent the making of an acceptable weld

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ISBN 0 580 41440 X

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these existing frameworks are not expected to change