Viscosity standard

铂盖, Platinum Lid for non-wetting crucible

铂定三角形, Platinum fixed triangle

铂盖, Platinum Lid for non-wetting crucible

铂带加强沿的标准模坩埚, Platinum crucible with reinforced rim

标准不粘 铂 5% 金坩埚, Non-wetting platinum 5% gold crucible

铂盖, Platinum Lid for Standard form crucible

不粘铂 5% 金坩埚, Non-wetting Pt 5% Au crucible with RF rim

铂定三角形, Platinum fixed triangle

铂直壁坩埚, Platinum straight wall crucible

铂直壁坩埚, Platinum straight wall crucible