ECL Femto-Detection Western Blotting Substrate 飞克级极敏型ECL发光液（专用于低丰度蛋白）飞克级极敏型ECL发光液（专用于低丰度蛋白）ECL Femto-Detection Western Blotting Substrate 飞克级极敏型ECL发光液（专用于低丰度蛋白）WB