essai de pompage /SCIENCE,BUILDING/
[DE] endgueltiger Pumpversuch
[EN] final test; pumping test
[FR] essai de pompage
essai de pompage
[DE] Probepumpen
[EN] trial pumping
[FR] essai de pompage
essai de pompage
[DE] endgueltiger Pumpversuch
[EN] final test; pumping test
[FR] essai de pompage