BS EN 3-8-2006 Portable fire extinguishers — Part 8 Additional requirements to EN 3-7 for the constr
标准简介
BS EN 3-8-2006 Portable fire extinguishers — Part 8 Additional requirements to EN 3-7 for the construction, resistance to pressure and mechanical tests for extinguishers with a maximum allowable pressure equal
相关推荐