GR3030B
(en )
1930-12-11
METHOD AND PROVISION FOR EXTINGUISHING OIL OILS IN EXPLOSION.
FR703142A
(en )
1931-04-25
Gasoline lighter
CA300636A
(en )
1930-05-27
Oil burning method and apparatus
GR2694B
(en )
1930-03-27
METHOD OF DECOLATING FATS AND OILS.
GR2953B
(en )
1930-10-29
METHOD AND DEVICE FOR MECHANICAL HARVEST OILS.
FR696535A
(en )
1930-12-31
Lubricator
ES118841A3
(en )
1930-08-01
Procedure and its corresponding apparatus for the combustion of heavy oils in engines.
GR2038B
(en )
1928-11-02
IMPROVEMENTS IN AND IN RELATION TO OIL BURNER.
GR2677B
(en )
1930-03-19
METHOD AND REFINERY FOR MAKING COFFEE POSSIBLE COFFEE-FREE AND OTHER POISONS.
CA8866S
(en )
1930-08-21
An oil burning unit
ES117998A3
(en )
1930-06-01
Sprayer-mixer device for all liquids and for all gases.
ES122090A1
(en )
1931-04-01
An apparatus for forming wire ties and ligaments.
ES120026A1
(en )
1931-01-16
Procedure and arrangement to regenerate used lubricating oils.
ES116525A1
(en )
1930-02-16
An economic lighter device.
ES116678A1
(en )
1930-05-16
An intense lighter for kitchens and similar.
DK43628C
(en )
1931-01-26
Swing and Hammel fittings.
GR1823B
(en )
1928-05-04
METHOD FOR NEUTRALIZATION AND CLEANING OF OLIVE OIL IN COLD.
FR692227A
(en )
1930-10-31
Gasoline lighter
CA299817A
(en )
1930-05-06
Oil burning apparatus
GR1624B
(en )
1927-09-30
METHOD AND APPLICATION DURING FUEL TEMPERATURE.
GR2672B
(en )
1930-03-17
OIL NEUTRAL METHOD.
GR2778B
(en )
1930-06-02
PERFECTIONS IN THE METHOD OF SEPARATION OF OIL FROM OLIVE FRUIT BY THE NATURAL LAW OF GRAVITY.
GR570B
(en )
1924-12-12
IMPROVEMENTS IN AND IN RELATION TO OIL GAS PRODUCTION.
ES115613A1
(en )
1929-12-01
Procedure and device for melting easily fusible and oxidizable metals.
GR3169B
(en )
1931-05-04
METHOD AND DEVICE OF ANTI-CHROME FOR LIGHT ADVERTISING ETC.