筛选产品
Synthware™ Kjeldahl distilling trap, 100 mL, top joint: ST/NS 24/40, bottom joint: ST/NS 24/40
Synthware™ Kjeldahl distilling trap, 100 mL, top joint: ST/NS 24/40, bottom joint: ST/NS 19/22
Synthware™ Kjeldahl distilling trap, 100 mL, top joint: ST/NS 24/40, bottom joint: ST/NS 14/20