inclined gauge /INDUSTRY,INDUSTRY-CHEM/
[DE] Schrägrohr
[EN] inclined gauge
[FR] jauge à tube incliné
inclined gage,inclined gauge,sloping gauge /SCIENCE,TECH/
[DE] Schraegpegel
[EN] inclined gage; inclined gauge; sloping gauge
[FR] échelle limnimétrique inclinée