KR860005195A
(en )
1986-07-18
Cold and hot water heater
DE3675362D1
(en )
1990-12-06
HOT WATER HEATING SYSTEM WITH HEAT CONSUMER.
AT384880B
(en )
1988-01-25
HOT WATER HEATING
IT8484917A0
(en )
1984-03-02
ELECTRIC HEAT SUPPLEMENT FOR TRADITIONAL HOT WATER CIRCULATION HEATING SYSTEMS AND SIMILAR.
GB2204945B
(en )
1991-04-24
Heat exchanger for the domestic heating of water
IT8623889V0
(en )
1986-12-01
STRUCTURE OF HEATING BOILER IN PARTICULAR FOR THE PRODUCTION OF HOT WATER.
GB2198506B
(en )
1990-05-23
Heating boiler with improved heat transfer
KR880002892U
(en )
1988-04-11
Indirect heating heat exchange boiler
KR870008731U
(en )
1987-06-13
Hot water heating circulation pipe
AT399569B
(en )
1995-06-26
GAS-FIRED HOT WATER HEATING SYSTEM
KR860005094U
(en )
1986-05-10
Hot Water Boiler Combined with Ondol Heating
KR860013650U
(en )
1986-11-18
Hot water heating boiler
IT8417702A0
(en )
1984-04-05
HOT WATER PRODUCTION VIA HEATING SYSTEM AND ELEMENT-ASSISTED HEAT PUMP
KR890021267U
(en )
1989-11-02
Indirect heating assembly type hot water boiler
KR850007775U
(en )
1985-10-15
Boiler hot water circulation valve
KR880006600U
(en )
1988-05-31
Radiator for hot water heating
KR870001016U
(en )
1987-02-20
Heated hot water heater
KR890019570U
(en )
1989-10-05
Heating hot water circulation plate
KR890021406U
(en )
1989-11-02
Heat exchanger for hot water boiler
ATA98492A
(en )
1997-04-15
HEATING WATER / HOT WATER HEAT EXCHANGER
IT8230753V0
(en )
1982-07-01
STOVE FOR HEATING ROOMS WITH HOT AIR PRODUCTION WITH FORCED CIRCULATION AND WATER FOR THERMAL SANITARY USE.
IT8507087V0
(en )
1985-09-06
STORAGE HEAT EXCHANGER FOR THE PRODUCTION OF HOT WATER FOR HEATING AND FOR SANITARY SYSTEMS.
IT8505222A0
(en )
1985-09-06
STORAGE HEAT EXCHANGER FOR THE PRODUCTION OF HOT WATER FOR HEATING AND SANITARY SYSTEMS.
KR870000993U
(en )
1987-02-20
Boiler hot water circulation
KR870002610U
(en )
1987-03-18
Electric Heated Hot Water Boiler