Home / Standards / GB/T 25139-2010 GB/T 25139-2010 Abolished Ceramic foam filter for foundry 铸造用泡沫陶瓷过滤网 Standard Type GBT ICS 81.060.20 CCS J31 Status 废止 Issue Date 2010-09-26 Implementation 2011-02-01 Responsible Dept 国家标准委 Drafting Unit N/A