MY7400139A
(en )
1974-12-31
Improvements in or relating to apparatus for heating articles
ZA71565B
(en )
1971-10-27
Fluid heater
ZA716278B
(en )
1972-05-31
Improvements in or relating to heating and ventilating apparatus
ZA732706B
(en )
1974-11-27
Improvements in or relating to electrical heaters
ZA713692B
(en )
1972-02-23
Improvements in electrically heated vessels for heating liquids
ZA727809B
(en )
1973-07-25
Improvements in or relating to heat detection system
BR7207415D0
(en )
1973-11-01
IMPROVEMENT IN HEATING UNIT
AU467091B2
(en )
1975-11-20
Improvements in or relating to oven thermostat for heat cleaning oven
ZA70587B
(en )
1971-06-30
Improvements in or relating to heaters suitable for heating liquids
ZA734848B
(en )
1974-11-27
Improvements in and relating to heaters
ZA723581B
(en )
1974-01-30
Improvements in or relating to tube support means
ZA708044B
(en )
1972-07-26
Improvements in or relating to heat exchangers
ZA747313B
(en )
1975-12-31
Improvements in or relating to solar heating
AU1825770A
(en )
1972-02-03
Improvements in or relating to space heating device
AU2952971A
(en )
1972-12-07
Improvements in water heaters
AU463318B2
(en )
1972-12-21
Improvements in electricity heated vessels for heating liquids
CA32620S
(en )
1970-06-22
Tank heater
ZA724121B
(en )
1973-03-28
Improvements in or relating to heating apparatus
AU3007871A
(en )
1972-12-21
Improvements in electricity heated vessels for heating liquids
ZA716648B
(en )
1973-02-28
Improvements in or relating to solar heating
AU423050B2
(en )
1972-03-27
Improvements in or relating to heaters
ZA704010B
(en )
1971-08-25
Improvements in solar heaters
ZA715646B
(en )
1972-07-26
Improvements in or relating to oil heaters
ZA713661B
(en )
1972-04-26
Improvements in solar heaters
ZA738160B
(en )
1975-02-26
Improvements in or relating to heaters