Home / Standards / LY/T 3228-2020 LY/T 3228-2020 Active 加压防腐处理胶合木 Standard Type LY ICS N/A CCS N/A Status Active Issue Date 2020-12-29 Implementation 2021-06-01 Centralized Committee 国家林业和草原局 Issuing Authority 国家林业和草原局