GB8829183D0
(en )
1989-01-25
Gas infrared burner in a heater tube or heat exchanger
HU9602608D0
(en )
1996-11-28
Heat exchanger tube for heating boilers
EP0244927A3
(en )
1989-02-08
Gas convection oven and heat exchanger therefor
JPS57164234A
(en )
1982-10-08
Heater with heating boiler and heat pump
IL63307A0
(en )
1981-10-30
Heating fireppace and heat exchanger for a heating fireplace
HUT36575A
(en )
1985-09-30
Condesation heating boiler with spiaral heat exchanger
CS291988A2
(en )
1989-10-13
Heat exchanger for hot streaming gases
HU895661D0
(en )
1990-01-28
Heat exchanger arrengement for gas heating boilers and heaters
GB2204945B
(en )
1991-04-24
Heat exchanger for the domestic heating of water
PL281012A1
(en )
1991-02-11
Gas heated infrared radiator in particular for gas fired heating boilers
AU122089S
(en )
1994-12-05
Heat exchanger for fuel fired furnaces
GB2198506B
(en )
1990-05-23
Heating boiler with improved heat transfer
CS60092A3
(en )
1992-11-18
Heat exchanger, particularly for furnaces and steam cookers
PL283879A1
(en )
1991-08-26
Heat exchanger for a gas-fired geyser water-heater and central heating water-heater
GB9601524D0
(en )
1996-03-27
Gas infra-red burner in a heater tube or heat exchanger
HU9400318V0
(en )
1995-01-30
Heat exchanger for gas boiler for heating of water
IL85474A0
(en )
1988-07-31
Heat indicator for domestic boilers and solar heaters
KR880002887U
(en )
1988-04-11
Heat exchanger for gas boiler and gas water heater
PL51701Y1
(en )
1993-09-30
Heating chamber of heat exchanger
PL271347A1
(en )
1989-10-02
Heat exchanger for a liquid fuel fired heating appliance
PL280693A1
(en )
1991-01-28
Heating chamber of a heat exchanger
YU105789A
(en )
1992-05-28
Compact solar boiler for heating water with hot air
JPS5752744A
(en )
1982-03-29
Heating furnace and heat exchanger therefor
HU905961D0
(en )
1991-03-28
Heat exchanger with tubular heating head for cooling and condensing gases
HUT48966A
(en )
1989-07-28
Gas boiler producing heating and domestic hot water