CPC Subgroup
F23L 17/06 branched; T-headed
Full Title
Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues > Tops for chimneys or ventilating shafts; Terminals for flues > branched; T-headed
F23L 17/06 Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues > Tops for chimneys or ventilating shafts; Terminals for flues > branched; T-headed