JB-T 5893.6-1991 电瓷用原料 钾长石化学分析方法

K48JB/T5893.619911991-10-241992-10-01()111991-10-24JB/T5893.619911992-10-01()JB/T5893.619912JB/T5893.619913JB/T5893.619914JB/T5893.619915JB/T5893.619916JB/T5893.619917JB/T5893.619918JB/T5893.619919JB/T5893.6199110JB/T5893.61991JB/T5893.61991*2100044*88012301/16X/XXXX,XXX19XXXXX19XXXXX1XXXXXX.XXXXXXX