DE3271289D1
(en )
1986-07-03
Heat exchanger with exhaust gas heat supply
IT1149611B
(en )
1986-12-03
SYNTHESIS GAS COOLER AND HEAT RECOVERY BOILER
IT1157632B
(en )
1987-02-18
HEAT EXCHANGER
DE3278408D1
(en )
1988-06-01
Boiler for heating a liquid by cooling hot combustion gases
IT8847618A0
(en )
1988-02-09
HOT GAS ENGINE HEATING SYSTEM
BR8202346A
(en )
1983-04-05
THERMAL EXCHANGER
IT8220350A0
(en )
1982-03-23
HEAT EXCHANGER FOR COOLING HOT GASES.
IT1102166B
(en )
1985-10-07
SYSTEM FOR THE RECOVERY OF LATENT HEAT IN A CHIMNEY THERMAL OXIDATOR SYSTEM
DK207784D0
(en )
1984-04-26
CONDENSATION BOILER WITH A MOUNTAIN SHAPED HEAT EXCHANGER PART
NO147530B
(en )
1983-01-17
HEAT BOILER E.L. WITH HEAT EXCHANGE SURFACES SEPARATING A HEATING GAS FROM ANOTHER MEDIUM TO BE HEATED
IT8132814V0
(en )
1981-03-13
RAFRA THERMAL CONVECTOR WITH HOT EXHAUST GAS RECOVERY
AT377605B
(en )
1985-04-10
HEAT EXCHANGER
DE8301166U1
(en )
1983-09-01
SMOKE PIPE HEAT EXCHANGER
AT371924B
(en )
1983-08-10
HEAT EXCHANGER
SE8202114L
(en )
1982-10-02
HEAT EXCHANGER FOR A STIRLING ENGINE
IT7822157V0
(en )
1978-06-21
HEAT EXCHANGER IN PARTICULAR FOR GAS BOILERS.
KR900007082U
(en )
1990-04-03
Hot water heat exchanger for gas boiler
AT371923B
(en )
1983-08-10
HEAT EXCHANGER
IT1147174B
(en )
1986-11-19
THERMAL CONVECTOR WITH SUPERIMPOSED TUBES
KR870017010U
(en )
1987-11-30
Double heat exchanger for gas hot air
IT7902509A0
(en )
1979-09-17
SOLID FUEL STOVE WITH HEAT RECOVERY THROUGH AIR CIRCULATION.
IT1166121B
(en )
1987-04-29
COMPLEX FOR WATER HEATING WITH HEAT RECOVERY TANK ESPECIALLY SUITABLE FOR HOT AIR DIFFUSION FIREPLACES
IT1135880B
(en )
1986-08-27
THERMAL EXCHANGER FOR FIREPLACES
DE3580356D1
(en )
1990-12-06
FLUE GAS HEAT EXCHANGER.
KR880002887U
(en )
1988-04-11
Heat exchanger for gas boiler and gas water heater