Home / Standards / GB 12951-1996 GB 12951-1996 Abolished Specification of americium-24l alpha sources for ionization smoke fire detectors 离子感烟火灾探测器用镅-24l α放射源的技术条件 Standard Type GB ICS 13.030.30 CCS F51 Status 废止 Issue Date 1996-12-19 Implementation 1997-12-01 Responsible Dept 国家标准委 Drafting Unit N/A