operates at pressure range
                    1
                    triples
                
                
                    GPTKB property
                
            Random triples
| Subject | Object | 
|---|---|
| gptkb:Holweck_pump | 10^-2 to 10^-6 mbar | 
| Subject | Object | 
|---|---|
| gptkb:Holweck_pump | 10^-2 to 10^-6 mbar |