Domestic water heating boiler - has horizontal arched insert plate in fire-box clear of top
DE2923010A1
FLOODING FILTRATION DEVICE FOR FILTERING TURBID LIQUIDS AND FILTRATION METHOD WITH SUCH A DEVICE
DE2913205A1
TWO-CHAMBER BOILER FOR BURNER AND SOLID FUEL BURNER
DE2905732A1
HEAT EXCHANGER
US4206723A
Double-fired heating boiler
DE2852650A1
Oil or gas fired boiler - has hollow triangular sections in annular flue joined to outside wall
GR64898B
Smoke tube for a heater boiler
ATA689178A
Burner-fired steam generating boiler
DE2841476A1
HEATING BOILER FOR BURNER FIRING
DE2751978A1
HEATING BOILER
DE2650660A1
BOILER WITH A HOT GAS GENERATOR FOR LIQUID OR GAS FUEL
DE2638354A1
CENTRAL HEATING SYSTEM
DE2630667A1
AIR CONDITIONING ROOF UNIT
DE2630728A1
HEATING BOILERS FOR OIL OR GAS FIRING AND SOLID FUEL FIRING
DE2629086A1
Air cooled solar radiation energy collector - has porous radiation absorber mass through which the air percolates between transparent cover and insulated base
FR2311267A1
Cross flow plate heat exchanger - has frame housing with two rectangular cover plates and four hollow connecting struts of triangular cross section
DE2553006A1
CONTROL DEVICE FOR A HEAT PUMP
DE2540709A1
Smoke free boiler solid and liq. fuels - uses bed of fire resistant chippings heated by burner flame to react smoke particles
US4029364A
Device for loading air with a controllable amount of a granular or powdery material
DE2533490A1
Cross flow plate heat exchanger - has frame housing with two rectangular cover plates and four hollow connecting struts of triangular cross section
