تحقیق یاب
مرکز دانلود انواع فایل های دانشجویی و دانش آموزی(تحقیق,پاورپوینت,پروژه,مقاله,فایل فلش و ...)تحقیق یاب
مرکز دانلود انواع فایل های دانشجویی و دانش آموزی(تحقیق,پاورپوینت,پروژه,مقاله,فایل فلش و ...)
plastics piping and ducting systems ...
ADHESIVE thermoplastic pipe systems ...استاندارد بین المللی BS EN 14758-1
Plastics piping systems for non-pressure underground drainage and sewerage. Polypropylene with mineral modifiers (PP-MD). Specifications for pipes, fittings and the system ...استاندارد بین المللی BS EN 713
Plastics piping systems. Mechanical joints between fittings and polyolefin pressure pipes. Test method for leaktightness under internal pressure of assemblies subjected to bending ...BS ISO 15042: 2017
108 صفحه pdf BS ISO 15042 2017 Multiple split-system air conditioners and air-to-air heat pumps — Testing and rating for performance ...BS EN 50121-4:2016
22 صفحه pdf BS EN 50121:2016 Railway applications- Electromagnetic compatibility Part 4: Emission and immunity of the signalling and telecommunications apparatus ...
BS EN ISO 15614-1: 2017
48 صفحه pdf BS EN ISO 15614 2017 Specification and qualification of welding procedures for metallic materials — Welding procedure test Part 1 Arc and gas welding of steels and arc welding of nickel and nickel alloys ...