CA1008844A
(en )
1977-04-19
Heat pipe water heater
ATA244674A
(en )
1975-01-15
PIPE HEAT EXCHANGER
SE391801B
(en )
1977-02-28
HEAT PUMP SYSTEM FOR ROOM HEATING WITH HOT WATER
BE795314A
(en )
1973-05-29
HEAT EXCHANGER DUCT
NO137059C
(en )
1977-12-21
DISTRICT HEATING CHANNEL, ESPECIALLY FOR HOT WATER PIPES
BE801064A
(en )
1973-10-15
CONNECTION FOR CENTRAL HEATING PIPING
AT329806B
(en )
1976-05-25
CONNECTING FITTINGS FOR RADIATORS
BE813473A
(en )
1974-07-31
JUNCTION ELEMENT FOR HEATING DUCTS
BE797194A
(en )
1973-07-16
CONVECTOR FOR HEATING PREMISES
AT337408B
(en )
1977-06-27
DISTRICT HEATING, IN PARTICULAR FOR HOT WATER PIPES
PL104008B1
(en )
1979-07-31
HEATING DUCT ESPECIALLY FOR HOT WATER PIPES
DE2110178B2
(en )
1973-09-06
HOT WATER HEATER
AT335115B
(en )
1977-02-25
CIRCULATING PUMP FOR HOT WATER HEATING SYSTEMS
AT264776B
(en )
1968-09-10
Radiators for hot water heating
CH541113A
(en )
1973-08-31
Hot water heating system
BE808492A
(en )
1974-03-29
HEATING BOILER
SE380887B
(en )
1975-11-17
REMOTE HEATING CHANNEL, SPECIAL FOR HOT WATER PIPES
IT1011706B
(en )
1977-02-10
VALVE GROUP FOR DOMESTIC HEATING RADIATORS
NL7511110A
(en )
1976-06-09
HOT WATER HEATING INSTALLATION.
AT330994B
(en )
1976-07-26
MULTI-WAY VALVE FOR RADIATORS IN SINGLE PIPE HOT WATER HEATING SYSTEMS
SE7509121L
(en )
1976-02-18
HOT WATER RADIATOR.
BE821735A
(en )
1975-02-17
HEATING BOILER
AT321508B
(en )
1975-04-10
Boilers, in particular for hot water central heating systems
CH536466A
(en )
1973-04-30
Expansion vessel for hot water heating
SU517760A1
(en )
1976-06-15
Heat pipe