NZ230608A
(en )
1992-12-23
Solid fuel heater: preheating inlet air to firebox
DE3662817D1
(en )
1989-05-18
Steam boiler with rear flue
PL333077A1
(en )
1999-11-08
Heating boiler of gassifying type fired with solid fuel in particular wood
HU910098D0
(en )
1991-08-28
Low-pression energy saving boiler for water heating to be fired with various fuels
GB8811182D0
(en )
1988-06-15
Improvements in/relating to heating & hot water supply arrangement
PL273656A2
(en )
1989-04-17
Water boiler for central heating system adapted to be fired with wooden wastes
PL53667Y1
(en )
1995-12-30
Central heating water boiler fired with sawdust
GB2273147B
(en )
1997-01-08
Improvements relating to domestic water heaters
GB2253684B
(en )
1994-12-14
Improvements to instantaneous water heaters
HU911551D0
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1991-11-28
Hot water heated boiler for utility hot water supply
PL53886Y1
(en )
1996-02-29
Solid fuel fired central heating water boiler
YU105789A
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1992-05-28
Compact solar boiler for heating water with hot air
GB9014933D0
(en )
1990-08-22
Improvements relating to solid fuel central heating boilers
KR880018305U
(en )
1988-10-28
Hot water boiler with combustion cylinder
GB2175677B
(en )
1988-11-09
Improvements in and relating to boilers or tanks for hot water
GB2253927B
(en )
1994-10-19
Improvements in or relating to gas-heated hot water boilers
PL272856A1
(en )
1989-12-11
Cast iron boiler with fixed fire grate adapted to be fired with substitute fuels
KR860012117U
(en )
1986-10-08
Solid fuel supply for hot water boiler
HUH3397A
(en )
1990-02-28
Hot water boiler heatable by solid fuel particularly for one-family houses
CS136491A3
(en )
1992-11-18
Hot water boiler for solid fuel
PL307030A1
(en )
1996-08-05
Central heating water boiler fired with solid fuels of low calorific value
PL276895A2
(en )
1989-10-02
Stoker fired water boiler intended to be fired with coal exhibiting poor temperature characteristic of ash
IL85474A0
(en )
1988-07-31
Heat indicator for domestic boilers and solar heaters
HUT42830A
(en )
1987-08-28
Energy-spare compound-fired hot-water boiler made with closed water-tube
PL307031A1
(en )
1996-08-05
Central heatingh water boiler fired with solid fuels