CA955492A
(en )
1974-10-01
Gas type safety valve
GB1401498A
(en )
1975-07-16
Fluid heaters or boilers
DK136739B
(en )
1977-11-14
Gas lighter valve system.
CH554271A
(en )
1974-09-30
AEROSOL DISTRIBUTOR WITH VALVE.
NO740213L
(en )
1974-07-25
Flue gas valve.
IL41112A0
(en )
1973-02-28
Valve assembly for fuel can
DK122838B
(en )
1972-04-17
Rotary gas valve, especially for water heaters.
YU274771A
(en )
1978-05-15
Boiler housing with convex walls, for central heating
CA982349A
(en )
1976-01-27
Hot gas engine with one or more heaters
YU134972A
(en )
1978-09-18
Multiple valve for gas heaters, particularly on boilers
CA949408A
(en )
1974-06-18
Steam boiler
YU333473A
(en )
1979-04-30
Heat exchanger, particularly for boilers
YU33676B
(en )
1977-12-31
Boiler constituted of a set of component elements,particularly for central heating
YU34457B
(en )
1979-07-10
Retarding device for the ignintion of burners of gas apparatus, e.g. boilers, including boilers for central heating, radiators etc.
CH546380A
(en )
1974-02-28
BURNER VALVE FOR GAS LIGHTER.
NL169780B
(en )
1982-03-16
CENTRAL HEATING BOILER.
CS187355B2
(en )
1979-01-31
Automatic throttling fittings,particularly for exhausting the combustion products
IT945844B
(en )
1973-05-10
GAS VALVE PARTICOLARMETNE FOR GAS STOVES
ES172727Y
(en )
1972-08-16
MULTIPLE CONTROL FOR GAS BURNERS.
ZA718183B
(en )
1972-09-27
Perfected pilot burner for gas stoves
CA931453A
(en )
1973-08-07
Exhaust heat boiler
AU447269B2
(en )
1974-04-11
Steam boilers
CA875466A
(en )
1971-07-13
Fuel for chemical heaters
AU417595B2
(en )
1970-05-14
Fired heater for process fluids, particularly hydrocarbons
ES168724Y
(en )
1972-04-01
CONTROL VALVE FOR FEEDING CATALYTIC STOVES.