Home / Standards / GB/T 22139-2008 GB/T 22139-2008 Abolished Specification for film tension in 35mm motion-picture systems 35mm电影系统影片张力规范 Standard Type GBT ICS 37.060.10 CCS N42 Status 废止 Issue Date 2008-06-30 Implementation 2009-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A