Home / Standards / GB/T 17809-1999 GB/T 17809-1999 Active Damping materials--Graphical presentation of the complex modulus 阻尼材料 复模量图示法 Standard Type GBT ICS 17.160 CCS Z32 Status 现行 Issue Date 1999-08-11 Implementation 2000-03-01 Responsible Dept 国家标准委 Drafting Unit N/A