rm1131ab316223 is the carrirer-free version of Anti-Collagen I antibody [RM1131] ab316222. This product is a recombinant multiclonal antibody, which offers several advantages including: - Hh batchRM 1131, CNR, Harbin Bureau, Jiamusi Area, IS, 198604, 198608, 198604 : at Changchun Works, 3. DP, 199001, 199001, 1. RM 1132, Sifang 1960