DIN 23320-4-2003 矿业用耐火防护服.矿井救生、毒气救生和火灾救生人员用防护服.第4部分:内衣
Flameproof protective clothing for the mining industry - Protecting clothing for people of mine rescue, gas rescue and fire rescue crews - Part 4: Underwear
Flameproof protective clothing are used in the mining industry to protect against combustion. This standard describes the additional requirements which are requested to the underwear besides the safety requirements of the standard DIN 23320-1 out of DIN EN 469.