Gantry for metal framework, and method for the production thereof.
FR2645255A1
Water tube boiler and heating system equipped with such a boiler
FR2618533A1
Temperature regulating device for central heating system
FR2513745A1
Gas burning water heater - has double skinned fume tube with thermo-syphon circulation within inner cavity of jacket
FR2494472A1
Stand to hold and move musical scores - has score printed on flexible strip mounted on rollers and driven by pedal controlled motors
FR2427556A1
Tubular solar energy collector - has transparent surface constituted by sleeve around heat transfer fluid circulation tube, insulating it from ambient air
FR2394764A1
Storage type gas fires domestic hot water heater - has smoke tubes rising from tube plate near top of water vessel
FR2390680A1
Electric domestic hot water heater - has flexible plastics cylinder lining metal casing for protection against corrosion
US4055152A
Gas boiler, particularly for central heating
FR2260759A1
Combination central heating and water heating boiler - has thermostatic mixing valve to regulate secondary hot water temp.
ES321044A1
Improvement in the mixed central heating and hot water service apparatus. (Machine-translation by Google Translate, not legally binding)