FR1137437A
(en )
1957-05-28
Improvements made to electric heating elements
FR1322119A
(en )
1963-03-29
Improvements to electric heating installations
BE584977A
(en )
1960-05-24
Improvements to appliances for repairing ovens
FR1228405A
(en )
1960-08-29
Improvements to the sets of heating elements for electric ovens
BE574966A
(en )
1959-05-15
Improvements to electric heating elements for ovens
BE619597A
(en )
1962-10-15
Improvements to heating devices
FR1214069A
(en )
1960-04-06
Improvements to electric heating elements in ovens
FR1280278A
(en )
1961-12-29
Improvements to electric heating elements
FR76720E
(en )
1961-11-24
Combiner for electric heating devices
FR1117487A
(en )
1956-05-23
Improvements to electric heating elements
FR1257020A
(en )
1961-03-31
Improvements to appliances for repairing ovens
FR1174422A
(en )
1959-03-11
Improvements to insulated electric heating elements
FR93807E
(en )
1969-05-23
Improvements to the sets of heating elements for electric ovens.
FR1228403A
(en )
1960-08-29
Improvements to radiation shields for electric ovens
FR1318547A
(en )
1963-02-15
Improvements to electric heaters
FR1201596A
(en )
1960-01-04
Improvements to central heating installations
FR1299303A
(en )
1962-07-20
Improvements to oven closures for cookers
FR1190217A
(en )
1959-10-09
Improvements in space heating means
FR1306576A
(en )
1962-10-13
Improvements to heating devices
FR1203950A
(en )
1960-01-21
Improvements to infrared heating ovens
FR1278191A
(en )
1961-12-08
Improvements to central heating installations
FR1149459A
(en )
1957-12-26
Improvements to electric heating elements
FR1272304A
(en )
1961-09-22
Improvements to flexible non-metallic electric resistance elements usable for heating
FR1338920A
(en )
1963-10-04
Improvements to thermal installations for space heating
FR1191775A
(en )
1959-10-21
Improvements to high frequency heating installations