بلاگ فایل

مرجع دانلود انواع فایلهای دانشجویی و تحقیقات دانش آموزی

بلاگ فایل

مرجع دانلود انواع فایلهای دانشجویی و تحقیقات دانش آموزی

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 DIN EN 712

  Thermoplastics piping systems- End-load bearing mechanical joints between pressure pipes and fittings Test method for resistance to pull-out under constant longitudinal force ...

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 EN ISO 20567-2: 2017

فرمت محصول: pdf BS EN ISO 20567-2: 2017 Paints and varnishes- Determination of stone-chip resistance of coatings Part 2: Single-impact test with a guided impact body (ISO 20567-2:2017) ...

BS EN ISO 20567-1:2017

24 صفحه pdf BS EN ISO 20567-1:2017 Paints and varnishes —Determination of stone-chip resistance of coatings   Part 1: Multi-impact testing (ISO 20567-1:2017) ...