GB1368481A
(en )
1974-09-25
Water heaters for hot-beverage dispensing machines
NO851210L
(no )
1985-09-30
Oppvarmingsanordning
NO118681B
(enrdf_load_stackoverflow )
1970-01-26
NO131902B
(enrdf_load_stackoverflow )
1975-05-12
US2143755A
(en )
1939-01-10
Water heating means
US2034473A
(en )
1936-03-17
Steam cooking and hot water heating system
US1621736A
(en )
1927-03-22
Domestic steam-generating apparatus
GB936541A
(en )
1963-09-11
Improvements in hot water circulating apparatus for domestic space heating and hot water supply
NO115093B
(enrdf_load_stackoverflow )
1968-07-22
GB574509A
(en )
1946-01-08
Improvements in or relating to water heaters and steam cookers
US1457365A
(en )
1923-06-05
Gas water heater
US1244775A
(en )
1917-10-30
Water-heater.
NO832502L
(no )
1983-07-08
Oppvarmingssystem.
US1154590A
(en )
1915-09-21
Water-still.
US1510268A
(en )
1924-09-30
Coffee-urn-heating device
GB513820A
(en )
1939-10-23
Improvements in or relating to electric water heaters
US1388684A
(en )
1921-08-23
Water-heater
NO132106B
(enrdf_load_stackoverflow )
1975-06-09
SU7688A1
(ru )
1929-01-31
Прибор дл парового отоплени , обслуживаемый горелкою типа "Примус"
ES245861A1
(es )
1959-06-01
Nuevo calentador de agua para cocinas de petrëleo
GB398347A
(en )
1933-09-14
Improvements in domestic or like hot water supply systems
GB366802A
(en )
1932-02-11
Improvements relating to the heating of water and other liquids
GB468811A
(en )
1937-07-13
Improvements in or relating to water heaters and steam cookers
GB423820A
(en )
1935-02-08
Improvements connected with electric water heaters
GB449948A
(en )
1936-07-07
Improvements in or relating to heating apparatus for liquids