20315ES 5× SDS-PAGE Protein Loading Buffer 5× SDS-PAGE蛋白上样缓冲液 \ Specs 3 sizes Yeasen ¥28.00 Inquire询 Detail详 20315ES05 2× 1 mL ¥28.00 20315ES20 20× 1 mL ¥225.00 20315ES76 500 mL ¥3,855.00