Home / Standards / GB/T 15906-1995 GB/T 15906-1995 Abolished Rubber--Determination of isoprene-isobutylene rubber or poly isobutylene content 橡胶中丁基橡胶或聚异丁烯含量的测定 Standard Type GBT ICS 83.060 CCS G40 Status 废止 Issue Date 1995-12-20 Implementation 1996-08-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A