CH48806A
(en )
1910-12-01
Process for the manufacture of a material suitable for preparing waterproof mortar
CH64940A
(en )
1914-05-01
Process for the production of an artificial material from wood waste
CH50462A
(en )
1911-06-01
Process for the production of waterproof building materials
CH53968A
(en )
1912-04-01
Process for the production of a flexible, light, but strong, tensile strength and waterproof material
CH45261A
(en )
1909-11-01
Process for the production of a magnesia cement
CH48598A
(en )
1910-11-01
Process for the production of a powdery adhesive
CH45099A
(en )
1909-10-16
Process for the production of an externally reinforced concrete body
CH64160A
(en )
1914-03-16
Process for the production of a waterproof cement
CH66966A
(en )
1914-11-02
Process for the production of homogeneous pressed concrete piles
CH47121A
(en )
1910-11-16
Process for the production of a chocolate preparation
CH43288A
(en )
1909-04-16
Process for the production of a firing material containing peat
CH73442A
(en )
1917-01-02
Method of making a fire-resistant material
CH50318A
(en )
1911-05-16
Process for the production of reinforced concrete floors
CH76201A
(en )
1917-11-16
Process for the production of a plastics material from fibers
CH47487A
(en )
1910-07-01
Process for the production of a disinfectant
CH42449A
(en )
1909-02-01
Process for the production of an artificial stone
CH49382A
(en )
1911-02-01
Process for the production of magnesia cement
CH45325A
(en )
1909-11-16
Process for the production of photographic recording material
CH52116A
(en )
1911-11-01
Process for the production of plastic masses
AT41185B
(en )
1910-02-25
Process for the production of artificial marble.
CH71591A
(en )
1916-01-17
Process for producing a nitridable material from wood pulp
CH48314A
(en )
1910-10-01
Process for the production of a weather-resistant plaster
CH49081A
(en )
1911-01-02
Process for the production of reinforced concrete floors
CH57918A
(en )
1913-02-01
Process for the production of a waterproof and acid-resistant mortar
CH53033A
(en )
1912-01-16
Process for the production of engobed machine bricks