CH76887A
(en )
1918-06-17
Procedure to prevent intermittent operation of centrifugal compressors
CH76038A
(en )
1917-10-16
Process for the production of sodium amide
CH73468A
(en )
1916-10-02
Process for the production of calcium cyanamide
CH76040A
(en )
1917-10-16
Process for the production of sodium amide
CH76039A
(en )
1917-10-16
Process for the production of sodium amide
CH74226A
(en )
1917-02-01
Process for the production of sodium amide
CH76930A
(en )
1918-02-16
Method of making slippers
CH59573A
(en )
1913-05-16
Process for the preparation of aminoanthraquinone
CH59570A
(en )
1913-05-16
Process for the preparation of aminoanthraquinone
CH59571A
(en )
1913-05-16
Process for the preparation of aminoanthraquinone
CH59572A
(en )
1913-05-16
Process for the preparation of aminoanthraquinone
CH77220A
(en )
1918-03-16
Method of making briquettes
CH73900A
(en )
1916-12-01
Method of making briquettes
CH77932A
(en )
1918-06-17
Process for the production of calcium cyanamide
CH72628A
(en )
1916-06-16
Process for the production of antimonies
CH67004A
(en )
1914-11-02
Process for the manufacture of explosives
CH75875A
(en )
1917-10-01
Process for the production of potassium persulfate
CH59344A
(en )
1913-05-02
Process for increasing the air permeability of plastered surfaces
CH63133A
(en )
1914-01-02
Process for the manufacture of explosives
CH62140A
(en )
1913-11-01
Process for the manufacture of explosives
CH72560A
(en )
1916-10-02
Process for increasing the water solubility of monoethylpyrocatechol-m-sulfonic acid potassium
CH63124A
(en )
1914-01-02
Process for the production of disodium cyanamide
CH68831A
(en )
1915-04-16
Process for the production of borofluorotassium
CH77919A
(en )
1918-06-01
Process for the production of footwear running parts
CH75534A
(en )
1917-08-01
Process for the production of etched figures