1CS81.080CCS Q 40中华人民共和国国家标准GB/T41503-2022不定形耐火材料气动喷嘴混合型喷枪制备耐火喷射料试块Monolithic(unshaped)refractory products-Gunning refractory panels bythe pneumatic-nozzle mixing type guns(ISO 20182:2008,Refractory test-piece preparation-Gunning refractory panelsby the pneumatic-nozzle mixing type guns,MOD)2022-04-15发布2022-11-01实施国家市场监督管理兽局发布国家标准化管理委员会
