[农业行业标准] NY/T 3644-2020 苏淮猪
[国外标准] SAE AMS 3644G-2006 Polyimide, Molded Rod, Bar, and Tube, Plaque, and Formed Parts
[航空标准] HB 3644-1985 撑簧组件
[轻工行业标准] QB/T 3644-1999 漆艺家具
[化工行业标准] HG/T 3644-1999 防老剂4020