CH53396A
(en )
1912-02-16
Process for the production of a gas cleaning compound
CH52023A
(en )
1911-10-02
Process for the production of a tannin-silver-protein compound
CH57212A
(en )
1912-12-16
Process for the production of a refractory insulating compound
CH46708A
(en )
1910-05-02
Process for the production of a new type of chocolate
CH53722A
(en )
1912-04-01
Process for the production of a compound particularly suitable for floor coverings
CH64936A
(en )
1914-05-01
Process for the preparation of a durable nitrobenzenediazonium compound
CH64241A
(en )
1914-03-16
Process for the production of a hard rubber-like mass
CH63234A
(en )
1914-01-16
Process for the production of a disinfectant
CH66036A
(en )
1914-09-01
process for making a durable nitrobenzenediazonium compound
CH66037A
(en )
1914-08-01
process for making a durable nitrobenzenediazonium compound
CH53033A
(en )
1912-01-16
Process for the production of engobed machine bricks
CH54180A
(en )
1912-05-01
Process for the production of thin aluminum strips
AT82990B
(en )
1921-02-25
Process for the production of a platical casein.
CH67114A
(en )
1914-11-02
Process for the production of a wood substitute
CH66267A
(en )
1914-08-17
Process for the production of a synthetic wood mass
CH64160A
(en )
1914-03-16
Process for the production of a waterproof cement
CH75544A
(en )
1917-08-16
process for the production of a detergent
CH62821A
(en )
1913-12-16
Process for the production of a detergent
CH47121A
(en )
1910-11-16
Process for the production of a chocolate preparation
CH64978A
(en )
1914-05-01
Process for the production of resilient corrugated pipes
CH67057A
(en )
1914-11-02
Process for the production of a hollow ceiling from reinforced concrete
CH45261A
(en )
1909-11-01
Process for the production of a magnesia cement
CH62594A
(en )
1913-12-01
Process for the production of white enamels
CH62859A
(en )
1913-12-16
Process for the production of white enamels
CH62860A
(en )
1913-12-16
Process for the production of white enamels