AU649208B2
(en )
1994-05-12
Down fired U-tube water heater
GB2272508B
(en )
1995-10-18
Fuel fired burners
GB8821591D0
(en )
1988-10-12
Heating boiler installation
PL53886Y1
(en )
1996-02-29
Solid fuel fired central heating water boiler
PL252036A1
(en )
1985-11-05
Gas fired heating boiler
PL307031A1
(en )
1996-08-05
Central heatingh water boiler fired with solid fuels
PL53667Y1
(en )
1995-12-30
Central heating water boiler fired with sawdust
KR940005567Y1
(en )
1994-08-19
Combustion chamber for hot water boiler
AU3841793A
(en )
1993-11-18
Multiple U-tube down fired water heater
CS136491A3
(en )
1992-11-18
Hot water boiler for solid fuel
PL294827A1
(en )
1993-12-13
Central heating water boiler
PL54148Y1
(en )
1996-05-31
Central water heating boiler
PL318837A1
(en )
1998-09-14
Liquid fuel fired heating boiler
PL57748Y1
(en )
2000-03-31
Solid fuel fired central heting boiler
PL267205A2
(en )
1988-09-01
District heating gas fired fire-tube water boiler
GB9014933D0
(en )
1990-08-22
Improvements relating to solid fuel central heating boilers
PL57960Y1
(en )
2000-06-30
Central heating water boiler fired with solid fuel, especially with fine coal
PL321215A1
(en )
1999-01-18
Solid fuel fired heating boiler
GB8813277D0
(en )
1988-07-06
Domestic solid fuel boiler
PL271762A1
(en )
1989-10-16
Central heating water boiler
PL284059A1
(en )
1991-09-09
Central heating water boiler
ZA914018B
(en )
1992-02-26
Electrode hot water boiler system
GB9206489D0
(en )
1992-05-06
Heating boilers
GB8809254D0
(en )
1988-05-25
Solid fuel fired room heaters
PL307030A1
(en )
1996-08-05
Central heating water boiler fired with solid fuels of low calorific value