Testing of high-strength steel building elements for resistance to hydrogen-induced brittle fracture and advice on the prevention of such fracture— 5 стр.
Hand-held portable power tools - Measurement of vibration at the handle - Part 7: Wrenches, screwdrivers and nut runners with impact, impulse or rachet action (ISO 8662-7:1997); German version EN ISO 8662-7:1997— 20 стр.