DK36848C
(en )
1926-11-29
Procedure for refining mineral oils and their distillation products.
FR623717A
(en )
1927-06-29
Refrigerant-condenser for stills
DK39460C
(en )
1928-11-12
Procedure for refining and fractionating mineral oils and products derived therefrom.
DK38179C
(en )
1927-11-21
Procedure for refining mineral oils and their distillates.
FI11375A
(en )
1926-12-10
The aid is granted for oil refining
ES99746A1
(en )
1926-12-01
An improved process for refining oil.
DK38572C
(en )
1928-03-19
Procedure for refining coffee.
FR619940A
(en )
1927-04-12
Distillation retort for low temperatures
FR622040A
(en )
1927-05-21
Shear
AT112385B
(en )
1929-02-25
Oil burner.
CA263240A
(en )
1926-08-03
Oil refining method
ES99813A2
(en )
1926-12-16
A procedure for refining mineral oils and their distillation products.
ES97036A1
(en )
1926-05-16
A procedure for refining mineral oils and their distillation products.
FR626624A
(en )
1927-09-15
Lighter
ES97993A1
(en )
1926-07-16
Procedure for using molten crude phosphates.
FR616187A
(en )
1927-01-25
Oven for the distillation or coking of bituminous materials
FR624172A
(en )
1927-07-09
Advanced lighter
DK39413C
(en )
1928-10-29
Procedure for the production of valuable liquids, in particular low-boiling liquids, of the various carbonates, tars, mineral oils, etc.
FR626069A
(en )
1927-08-26
Hydrocarbon refining apparatus
DK45069C
(en )
1932-01-04
Procedure for refining and decolorizing mineral oils and mineral fats.
DK37347C
(en )
1927-04-11
Procedure for the manufacture of valuable liquid products of coal, tar, mineral oil and the like.
DK38843C
(en )
1928-06-04
Procedure for the production of paving.
FR618685A
(en )
1927-03-15
Dehydrator for petroleum emulsions
DK39359C
(en )
1928-10-15
Apparatus for Burning Oil.
FR619318A
(en )
1927-03-31
Oil furnace