日本工业标准_JIS R2251-3-2007 Test methods for thermal conductivity of refractory materials - Part 3:Stationary heat flow method_R 2251-3 2007 1 ?QUV wFx|j=OH 12 H 1 wFt,nV|1PUq (TARJ)?R?O?Fq (JSA) T?|jj?o?F?Mb?VqwZUK?|?j*qw?&o|&A?GUMh?FpK? wFwU|?V|Z&?w?Z&|;?VxZ&?w;?JZ&tb?DQUK?qt?Ib?&A?Gt|?j*qx|w?Os?V|Z&?w?Z&|;?VxZ&?w;?JZ&t?tmMo|yx?hsM JIS R 2251 wFtx|tb$RUK? JIS R 2251-1