日本工业标准_JIS R1536-2009 (追補1)化学工业用耐酸耐热砖_R 1536 2009 1 ?QUV w4x|j=OH 14 t?loj;b?H 12 H 1 wFt,nV|jj?o?F?Yb?VqwZUK?|?j*qw?&o|&A?GUYh?wp|?t?lo| JIS R 1536:1991 xY?|U?VQ?h ?F JIS R 1536 2009=;1?1?U 4 1 Acid and heat resisting bricks for chemical industry Amendment 1 JIS R 1536:1991 ?|w?OtYb? 1.&;c?w? 1.w JIS M 8854
