CH69574A
(en )
1915-07-01
Method of making barrels
CH73900A
(en )
1916-12-01
Method of making briquettes
CH77801A
(en )
1918-06-01
Method of making caramel
CH62289A
(en )
1913-11-17
Method of making briquettes
CH73269A
(en )
1917-02-16
Method of making briquettes
CH75009A
(en )
1917-05-16
Method of making briquettes
CH70708A
(en )
1915-10-16
Process for the manufacture of containers
CH68153A
(en )
1915-02-16
Process for the production of fuel
CH55452A
(en )
1912-08-16
Method of making bells
CH69955A
(en )
1915-08-02
Process for the preparation of 4-chloro-1-oxyanthraquinone
CH71544A
(en )
1916-01-17
Process for the preparation of 4-methyl-1-oxyanthraquinone
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH77220A
(en )
1918-03-16
Method of making briquettes
CH56841A
(en )
1912-11-16
Method for the representation of pinacon
CH55670A
(en )
1912-09-02
Method for the representation of pinacon
CH54686A
(en )
1912-06-01
Method for the representation of pinacon
CH69368A
(en )
1915-06-16
Method of making scythes
CH70056A
(en )
1915-08-16
Process for the preparation of methylene tetrahydropapaverine
CH62147A
(en )
1913-11-01
Method of making table set
CH77203A
(en )
1918-03-16
Process for the preparation of glycolyl-p-anisidide
CH72487A
(en )
1916-05-16
Process for making beer
CH69179A
(en )
1915-06-01
Process for the production of cerium fluoride
CH66971A
(en )
1914-10-16
Method of making briquettes
CH57230A
(en )
1913-01-02
Method of making briquettes
AT87485B
(en )
1922-02-25
Method of making latticework.