Home / Standards / GB/T 41503-2022 GB/T 41503-2022 Active Monolithic (unshaped)refractory products—Gunning refractory panels by the pneumatic-nozzle mixing type guns 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 Standard Type GBT ICS 81.080 CCS Q40 Status 现行 Issue Date 2022-04-15 Implementation 2022-11-01 Responsible Dept 国家标准委 Drafting Unit N/A