DK266183D0
(en )
1983-06-10
TRANSMISSION WITH VARIABLE EXCHANGE CONDITIONS, ISSUES TO CYCLES
NO142050C
(en )
1980-06-18
HEAT EXCHANGERS, SPECIFICALLY SPECIAL SOLAR HEATER
IT7823061A0
(en )
1978-05-05
HEAT COLLECTOR SYSTEM.
IT7820298A0
(en )
1978-02-16
HEATING BOILER.
DK472081A
(en )
1982-04-28
HEAT BOILER
DK97982A
(en )
1982-03-05
HEAT BOILER
IT8164259V0
(en )
1981-05-18
HEAT RECOVERY DEVICE TO BE APPLIED TO DOMESTIC FIREPLACES.
NL7904802A
(en )
1979-12-21
WITH STEAM HEATED HEAT EXCHANGER.
IT8267236A0
(en )
1982-03-03
HEAT RECOVERY DEVICE FROM DOMESTIC WATER
NO822151L
(en )
1983-01-10
HEAT BOILER.
NO154176C
(en )
1986-08-06
DEVICE FOR AA ABSORBED SOLAR HEAT.
NL7810598A
(en )
1979-05-25
HEATING BOILER.
IT8084948A0
(en )
1980-07-16
DEVICE FOR HEATING ROOMS, TO BE INSERTED IN SIMILAR CHIMNEYS.
IT8109319A0
(en )
1981-01-19
HEATING BOILER TO BE APPLIED TO ECONOMIC KITCHENS
IT8111748V0
(en )
1981-08-28
HEAT RECOVERY DEVICE DISPERSED BY STOVES OR KITCHEN OVENS
IT8111509V0
(en )
1981-01-19
BOILER FOR HEATING TO BE APPLIED TO ECONOMIC KITCHENS
IT7924758A0
(en )
1979-07-30
FIREPLACE WITH HEAT RECOVERY DEVICE.
IT8002902A0
(en )
1980-01-17
HEATING UNIT CAN BE INSTALLED IN FIREPLACES.
IT8033820V0
(en )
1980-12-30
BOILER FOR HEATING TO BE APPLIED TO THE FIREPLACE
IT8053601V0
(en )
1980-10-20
FIREPLACE FOR DOMESTIC HEATING
IT8020884V0
(en )
1980-02-25
BOILER STRUCTURE PARTICULARLY FOR DOMESTIC HEATING.
IT8020421V0
(en )
1980-01-07
BOILER STRUCTURE PARTICULARLY FOR DOMESTIC HEATING.
ES507778A0
(en )
1982-11-01
HEATING STOVE.
IT8122923A0
(en )
1981-07-14
MULTIFUNCTIONAL HEATING UNIT, FOR DOMESTIC USE.
IT1155019B
(en )
1987-01-21
DEVICE TO PROTECT A HEATING BOILER, ESPECIALLY A HEATED BOILER WITH SOLID FUEL