CPC Subgroup
C03B 5/28 Siphons
Full Title
Melting in furnaces; Furnaces so far as specially adapted for glass manufacture > Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces > Siphons
C03B 5/28 Melting in furnaces; Furnaces so far as specially adapted for glass manufacture > Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces > Siphons