CH402344A
(en )
1965-11-15
Central heating installation with hot water circuit for domestic use
BE619603A
(en )
1962-10-15
Heating boilers and hot water circuits including such boilers
FR1133536A
(en )
1957-03-28
Heating and hot water distribution boiler
FR1278188A
(en )
1961-12-08
Water heater
FR1254195A
(en )
1961-02-17
Hot water heating installation
FR1299194A
(en )
1962-07-20
Heating boilers with hot water tank
FR1327540A
(en )
1963-05-17
Hot water or steam generator
FR70324E
(en )
1959-04-06
Heating and hot water distribution boiler
FR1297366A
(en )
1962-06-29
Room heater
FR1383709A
(en )
1965-01-04
Hot water or steam generator with forced circulation
FR1305293A
(en )
1962-09-28
Installation of central heating and hot water distribution
BE597668A
(en )
1961-03-15
Installation of central heating and hot water distribution.
FR1261333A
(en )
1961-05-19
Electric boiler for central heating and hot water production
FR1350051A
(en )
1964-01-24
Combined hot water generator for central heating and domestic use
FR1430732A
(en )
1966-03-04
Complete boiler unit for central heating and hot water distribution
FR1139880A
(en )
1957-07-08
Hot water boiler and heating
AT226921B
(en )
1963-04-25
Heating boiler with hot water generator
FR1267378A
(en )
1961-07-21
Boiler especially for hot water and central heating
FR1297131A
(en )
1962-06-29
Boiler block for heating and hot water
FR1298253A
(en )
1962-07-06
Central heating boiler comprising a device for heating water for common consumption
FR1370283A
(en )
1964-08-21
Hot water heating boiler
FR1499394A
(en )
1967-10-27
Double circuit hot water central heating boiler
FR1178285A
(en )
1959-05-05
Hot water central heating installation
FR1298255A
(en )
1962-07-06
Hot water heating device comprising an expansion vessel to which the heating water returns
FR1450600A
(en )
1966-06-24
Hot water cylinder heating boiler