CH72600A
(en )
1916-06-02
Driving pipe for the production of concrete piles
CH65872A
(en )
1914-07-16
Process for the production of concrete or reinforced concrete piles
CH66966A
(en )
1914-11-02
Process for the production of homogeneous pressed concrete piles
CH67854A
(en )
1915-04-01
Process for the manufacture of concrete piles
CH64415A
(en )
1914-04-01
Formwork device for the production of concrete structures
CH62685A
(en )
1913-12-16
Process for the preparation of bromo diethylacetylcarbamide
CH67036A
(en )
1914-11-02
Process for the preparation of a-bronisovaleric acid-p-phenetidine
CH56778A
(en )
1912-12-02
Machine for the production of concrete pipes
CH56769A
(en )
1912-11-16
Reinforced concrete beams for making ceilings
CH63782A
(en )
1914-02-16
Device for the production of artificial building blocks
CH65685A
(en )
1914-07-01
Process for the production of rammed asphalt
CH55868A
(en )
1912-09-16
Element for the production of walls
CH68014A
(en )
1915-02-01
Concrete dowel for the lateral connection of reinforced concrete I-beams
CH66062A
(en )
1914-08-01
Hollow stone for the production of hollow body slabs
CH63502A
(en )
1914-02-02
Process for the manufacture of radiators
CH66777A
(en )
1914-10-16
Process for the manufacture of pipe fittings
CH60699A
(en )
1913-08-01
Ceiling block for the production of reinforced concrete solid ceilings
CH66643A
(en )
1914-10-01
Process for the preparation of 2-3-oxynaphtoic acid-p-toluid
CH64582A
(en )
1914-04-01
Process for the preparation of diethylbromoacetylurea
CH63229A
(en )
1914-01-16
Process for the preparation of hydrohydrastinin
CH62461A
(en )
1913-11-17
Process for the preparation of hydrohydrastinin
CH62349A
(en )
1913-11-17
Process for the preparation of α-selenium cyananthraquinone
CH65235A
(en )
1914-06-01
Process for the preparation of 6-ethoxyquinolyl-4-methylketone
CH63703A
(en )
1914-02-16
Process for the preparation of α-bromoisovalerylurea
CH66644A
(en )
1914-10-01
Process for the preparation of 2-3-oxynaphthoic acid-m-chloroanilide