IT1157640B
(en )
1987-02-18
HEAT EXCHANGER WITH FLAT PIPES
DK153724C
(en )
1988-12-27
HEATING SYSTEM WITH A HEAT BOILER AND A HEAT PUMP
GB8307657D0
(en )
1983-04-27
Heat pipe heat exchanger
IT8119336A0
(en )
1981-01-27
TUBE AND FIN HEAT EXCHANGER.
IL63307A0
(en )
1981-10-30
Heating fireppace and heat exchanger for a heating fireplace
GB2070211B
(en )
1983-09-01
Heat exchanger for a domestic central heating boiler
DE3273208D1
(en )
1986-10-16
Series arranged pipe bundle heat exchanger
IT8035757V0
(en )
1980-05-13
INCORPORATING FIREPLACE BOILER ELEMENTS AND HEAT EXCHANGE PIPES FOR A HEATING SYSTEM
IT1135163B
(en )
1986-08-20
HEAT EXCHANGER FOR BOILERS FOR WATER HEATING
IT8026626A0
(en )
1980-12-12
HEAT EXCHANGER WITH U-TUBE.
AT372177B
(en )
1983-09-12
BOILER FOR HOT WATER HEATING
IT8220260A0
(en )
1982-03-18
DEVICE FOR MAINTAINING A TURBOLATOR IN A PIPE OF A HEAT EXCHANGER.
IT8223941A0
(en )
1982-10-26
HEAT RECOVERY SYSTEM FOR STEAM AND HOT WATER BOILER WITH GAS COMBUSTION.
IT8035622V0
(en )
1980-03-11
HEAT RECOVERY BOILER FOR DOMESTIC FIREPLACES
IT1157406B
(en )
1987-02-11
HEAT EXCHANGER SYSTEM FOR HEATING FLUIDS IN A FIREPLACE USED FOR DOMESTIC HEATING
IT8204709V0
(en )
1982-01-19
HEAT EXCHANGER SYSTEM FOR HEATING FLUIDS IN A FIREPLACE USED FOR DOMESTIC HEATING
CA48358S
(en )
1981-06-15
Fireplace heat exchanger
IT8011634V0
(en )
1980-04-17
WATER HEATER FOR HEATING SYSTEMS AND OTHER HEATERS, DEVELOPED LIKE A FIREPLACE DEFINED BY SPACES AND A WATER TANK
IT1135943B
(en )
1986-08-27
HEATING BOILER INSTALLED IN FIREPLACES
IT8352930V0
(en )
1983-02-11
WOOD-BURNING STOVE WITH WATER BOILERS AND THERMAL RECOVERY OF SMOKES FOR HEATING SYSTEMS WITH WATER RADIATORS
IT8109401A0
(en )
1981-05-06
CAVITY FIREPLACE AND WATER PIPES FOR RADIATOR HEATING
IT8219118V0
(en )
1982-05-07
BOILER FOR CENTRALIZED HOT WATER HEATING SYSTEM WITH FORCED CIRCULATION, ADAPTABLE BOTH TO AN ECONOMIC KITCHEN AND TO A FIREPLACE
IT8144805A0
(en )
1981-03-06
HOT WATER PRESSURE CLEANER WITH RAPID HEAT EXCHANGER AND GAS BURNER
IT8120944V0
(en )
1981-02-27
FIREPLACE BOILER STRUCTURE FOR GENERAL HEATING SYSTEMS.
IT8020955V0
(en )
1980-03-03
FIREPLACE BOILER FOR DOMESTIC HEATING.