女人做爱视频网站,欧美最爽的乱婬视频婬乱,欧美性一级片,国产丰满大乳无码免费播放

20 mM phosphate, pH 7.4, with 150 mM NaCl and 0.05% NaN3

>=95% by SDS-PAGE

MW 50,000 

Human Plasma 

Shown to be non reactive for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests. 

> 1 year

該產品描述，查看產品英文說明書，更多歡迎在線咨詢我們。