半岛bd体育手机客户端 性质
Sigma-Aldrich
SynthwareTMAll-glass check valve with 8mm hose connections
SynthwareTMall-glass vacuum/inert gas manifold with hollow high vacuum stopcocks
SynthwareTMAllihn condenser
SynthwareTMbushing adapter
SynthwareTMchromatography flow control adapter
SynthwareTMcoil reflux condenser
SynthwareTMDewar type vacuum trap
SynthwareTMdistillation drip adapter
SynthwareTMenlarging adapter
SynthwareTMErlenmeyer flask