BS 1902-10.2-1994
耐火材料试验方法.熔模铸造外壳铸模系统.升温时透气性和标准空气流量的测定
Methods of testing refractory materials - Investment casting shell mould systems - Determination of permeability and standard air flow capacity at elevated temperatures - Section 10.2: Determination of permeability and standard air flow capacity at elevat