FR1430492A
(fr )
1966-03-04
Paroi pour le transfert de chaleur et procédé pour sa préparation
IL31445A
(en )
1972-01-27
Electrical heater for heating a wall of a fluid-carrying member
IT974943B
(it )
1974-07-10
Muratura refrattaria confinante un ambiente che riceve gas caldi
DK125809B
(da )
1973-05-07
Gastæt fyrrumsvæg til en dampgenerator med tvungen gennemstrømning.
CH445790A
(fr )
1967-10-31
Paroi thermiquement isolante, auto-portante
IL30897A0
(en )
1968-12-26
An oil or gas fired heating boiler
FR1500553A
(fr )
1967-11-03
Paroi tubulaire de chaudière soudée de façon étanche
CS178955B1
(en )
1977-10-31
Method of mounting heat resistant and heat heat insulated brick tube wall, especially of steam boilers
FR1428317A
(fr )
1966-02-11
Coquille pour l'isolation de tubes
IT1033048B
(it )
1979-07-10
Tubazione resistente al calore
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.
CA786596A
(en )
1968-06-04
Gas fired hot water boiler
BE771627A
(fr )
1972-02-23
Revetement isolant thermique destine a des tubes
MY7200074A
(en )
1972-12-31
Improvements relating to furnace tubes for fire tube boilers
CA788236A
(en )
1968-06-25
Fire tube hot water boiler
IL30790A0
(en )
1969-01-29
Improvements in water or steam boilers having fire tubes
FR94420E
(fr )
1969-08-14
Cuisinière à gaz en tôle
IE31276L
(en )
1967-12-01
Thermally insulated pipe
IL26216A
(en )
1970-06-17
Gas fired cast iron hot water boiler
FR1523681A
(fr )
1968-05-03
Structure de paroi de four
AU5685873A
(en )
1974-12-12
Improved fire tube boiler
CA29754S
(en )
1967-09-18
Heating boiler
CA782312A
(en )
1968-04-09
Vapor generator furnace wall deslagger
CA799201A
(en )
1968-11-19
Tubular wall linings of steam generators
ES167387Y
(es )
1972-05-01
Caldera mural de calefaccion mediante gas.