Home / Standards / GB/T 9149-2008 GB/T 9149-2008 Active General specification for magnetic particle clutch 磁粉离合器通用技术条件 Standard Type GBT ICS 21.120.01 CCS J19 Status 现行 Issue Date 2008-09-27 Implementation 2009-05-01 Responsible Dept 国家标准委 Drafting Unit N/A