Schott Duran Three-way stopcocks, T-bore 4 mm, NS 18.8, complete with SBW-key and 3 part retaining device |
无参数
http://www.beretmall.com/product/detail.aspx?id=126122
Schott Duran Three-way stopcocks, T-bore 4 mm, NS 18.8, complete with SBW-key and 3 part retaining device |
无参数