Home / Standards / GB/T 6849-1995 GB/T 6849-1995 Abolished Photographic films and papers--Wedge test for brittleness 照相胶片和相纸脆性楔式试验方法 Standard Type GBT ICS N/A CCS G80 Status Abolished Issue Date 1995-12-21 Implementation 1996-08-01 Centralized Committee 中国石油和化学工业联合会 Issuing Authority 国家技术监督局