| filter | |
| chem. mech.eng. | Siebgehäuse |
| commun. el. | Bewertungsnetzwerk |
| construct. | Brunnenfilter |
| el. | Filterkreis |
| environ. | Filter; Staubabscheider |
| fin. scient. | Glätteninstrument |
| nat.sc. agric. | Vorsieb |
| filters | |
| gen. | Filter |
|
Tchebyscheff : 2 phrases in 1 subject |
| Communications | 2 |