Draft Document - Explosives for civil uses - Detonators and detonating cord relays - Part 9: Determination of resistance to bending of detonators; German and English version prEN 13763-9:2021
文件草案.民用炸药.雷管和导爆索继电器.第9部分:雷管抗弯曲性的测定;德语和英语版本prEN 13763-9:2021