NL152658B
(en )
HUMIDIFIER.
DK73115C
(en )
1951-09-24
Air purifier and humidifier, in particular for central heating radiators.
CH467979A
(en )
1969-01-31
Device for heating, cooling, ventilating and ventilating rooms with supply air
CH276524A
(en )
1951-07-15
Heat exchanger.
AU140505B2
(en )
1949-04-07
Improvements in air outlet devices for heating, cooling ventilating or other purposes
AU2600749A
(en )
1949-04-07
Improvements in air outlet devices for heating, cooling ventilating or other purposes
CH285904A
(en )
1952-09-30
Regenerative heat exchanger.
CH295791A
(en )
1954-01-15
Heat exchange apparatus.
CH305534A
(en )
1955-02-28
Heat exchanger.
DK74988C
(en )
1952-11-17
Inlet valve for ventilation air.
DK80297C
(en )
1955-12-19
Air valve for buildings, in particular stable buildings.
CH296775A
(en )
1954-02-28
Fan.
ES22087Y
(en )
1950-11-01
Air heater, laboratory.
DK72425C
(en )
1951-04-16
Humidifier for envelopes.
CA498533A
(en )
1953-12-15
Air outlet devices for heating, cooling, ventilating or other purposes
GR13623B
(en )
1952-06-05
IMPROVEMENTS IN OR RELATING TO AIR CONDITIONING FACTORS AND SOIL IMPROVEMENTS, STABILIZE SOIL USE USED BY FOLLOWING FACTORS.
DK74802C
(en )
1952-10-06
Heat exchanger for hot air machines.
CA498110A
(en )
1953-12-01
Combined water heater and air conditioner of the heat pump type
AT173389B
(en )
1952-12-10
Heating and water heating systems, in particular for single-family houses
DK74761C
(en )
1952-09-29
Heat exchanger.
DK74314C
(en )
1952-06-16
Heating system.
FR1089906A
(en )
1955-03-24
Improvements to air conditioning, ventilation and heating devices
DK78213C
(en )
1954-10-04
Water heater or similar heat exchanger.
DK75640C
(en )
1953-03-30
Water heater or similar heat exchanger.
DK75056C
(en )
1952-12-01
Gas heater.