FR587151A
(en )
1925-04-14
Glassware continuous furnace device
GR807B
(en )
1925-01-28
METHOD FOR TREATMENT OF RAW MATERIALS CONTAINING OXIDE RESISTANT TO HIGH TEMPERATURE.
FR593895A
(en )
1925-09-01
Treatment of carbonaceous materials
FR573143A
(en )
1924-06-18
Distillation furnace
FR634119A
(en )
1928-02-09
Process for the treatment of raw starchy substances
FR565291A
(en )
1924-01-23
Brick
FR32426E
(en )
1927-11-29
Sterilization process
CA260188A
(en )
1926-04-27
Method of producing fur
GR430B
(en )
1923-04-05
METHOD FOR PREPARATION OF MEDICINE AGAINST RHEUMATISM OF ALL NATURE.
DK39757C
(en )
1929-01-28
Process for the production of zinc oxide.
ES97323A1
(en )
1926-05-16
Manufacturing process of spittoon lid, glass or glass.
ES84824A1
(en )
1923-06-01
Process of manufacture of candied fruits.
FR579117A
(en )
1924-10-10
Manufacturing process of phonograms
CA230086A
(en )
1923-04-03
Treatment of clay
ES98729A1
(en )
1926-11-01
Procedure to supply specified portions or measures of glass.
FR639859A
(en )
1928-07-02
Production of new sulphurous coloring materials
CA258819A
(en )
1926-03-09
Process of annealing glass
CA258820A
(en )
1926-03-09
Process of annealing glass
DK34700C
(en )
1925-07-06
Porcelain crucible for filtration and procedure for the manufacture of crucibles.
GR1938B
(en )
1928-08-10
METHOD FOR REFINERATION OF RAW TOBACCO.
DK32093C
(en )
1923-08-13
Process for the production of zinc oxide.
FR629203A
(en )
1927-11-07
Slag treatment process
FR532027A
(en )
1922-01-25
Process for making diet bread
FR24514E
(en )
1922-08-31
Process for making diet bread
FR598784A
(en )
1925-12-24
Production of new coloring materials