Home / Standards / GB 11504-1989 GB 11504-1989 Abolished Diagnostic criteria and principles of management of occupational chronic lead poisoning 职业性慢性铅中毒诊断标准及处理原则 Standard Type GB ICS 11.020 CCS C60 Status 废止 Issue Date 1989-03-25 Implementation 1990-02-01 Responsible Dept 国家卫生健康委 Drafting Unit N/A