Laboy Glass Double Maniflod Vacuum Gas Distributor With Hollow Glass Stopcocks & 35/20 Spherical Joint Air-Free Chemistry Lab Glassware
With 35/20 Ball Joints And 4mm Double Oblique,
High Vacuum Hollow Glass Stopcocks
Lower Vacuum Chambers On Stopcock Are Evacuated With A
Separate Hole In The Plug
With 35/20 Ball Joints And 4mm Double Oblique,
High Vacuum Hollow Glass Stopcocks
Lower Vacuum Chambers On Stopcock Are Evacuated With A
Separate Hole In The Plug