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Boiler and Pressure Vessel.Appendix O Rules for Design of Safety Valve Installations

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Metal-oxide surge arresters (MOSAs) designed to repeatedly limit the voltage surges on 48 Hz to 62 Hz power circuits (>1000 V) by passing surge

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Metal-oxide surge arresters (MOSAs) designed to repeatedly limit the voltage surges on 48 Hz to 62 Hz power circuits (>1000 V) by passing surge

IEEE Draft Standard for Metal-Oxide Surge Arresters for AC Power Circuits (> 1 kV)

DIN EN 50374:2005-02*VDE 0682-721:2005-02 導(dǎo)航車輛

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1???Scope This document specifies a calculation method to determine the thermal transmittance of glass with flat and parallel surfaces

Glass in building. Determination of thermal transmittance (U value). Calculation method

UNI 7527-P2-1976 鉛管．壓力管用管

Nel seguente prospetto sono date a titolo indicativo le pressioni massime di esercizio per i tubi della presente norma. Spessore s

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Pipes@ Tubes@ and Fittings

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Pipes@ Tubes@ and Fittings

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Pipes@ Tubes@ and Fittings

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Pipes@ Tubes@ and Fittings

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ASHRAE SYSTEMS AND EQUIP SI CH 46-2012 管道、管子和管件

PIPES, TUBES, AND FITTINGS