20402ES Bovine Thrombin, High Specific Activity, >2000 IU/mg 牛凝血酶(高活力,>2000 IU/mg) 1 KU Specs 2 sizes Yeasen ¥508.00促 Inquire询 Detail详 20402ES03 1 KU ¥508.00 20402ES05 2 KU ¥908.00