Title:
Hot-water heating system
United States Patent 3258203
Inventors:
Adolf, Kurz
Lier, Heinz Van
Publication Date:
06/28/1966
Other Classes:
237/8R, 236/93R, 392/357, 392/378, 392/479, 236/25R
International Classes:
F23N1/08; F24D3/02; F24D19/10; F24H9/20; G05D23/02; F24D3/00; F24D19/00; G05D23/01