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NFPA 291:Recommended Practice for Fire Flow Testing and Marking of Hydrants Handbook:2013
32 صفحه pdf
NFPA 291
Recommended Practice for Fire Flow Testing and Marking of Hydrants Handbook:2013
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فایل PDF استاندارد ASTM آزمایش لرزه ای کراس هول Crosshole seismic Testing جهت دانلود قرار داده شده است. 10 صفحه...
Standard Test Methods for CrossholeSeismic Testing
Scope
These test methods are limited to the determination of horizontally traveling compression (P) and shear (S) seismic waves at test sites consisting primarily of soil materials (as opposed to rock). A preferred test method intended for use on critical projects where the highest quality data must be obtained is included. Also included is an optional method intended for use on projects which do not require measurements of a high degree of precision
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IEC 60252:2013-AC motor capacitors – Part 1: General – Performance, testing and rating – Safety requirements – Guidance for installation and operation