CH77319A
(en )
1918-08-16
Method and device for the manufacture of hulls from reinforced concrete
CH75849A
(en )
1917-10-01
Method and device for the manufacture of articles from reinforced concrete
CH76292A
(en )
1917-12-01
Process for the manufacture of objects from concrete
CH78054A
(en )
1918-10-01
Reinforced concrete stairs and method of making the same
CH78049A
(en )
1918-10-01
Reinforced concrete ceiling and method of making the same
CH75351A
(en )
1917-07-16
Method and device for the production of interchangeable photographs
CH79612A
(en )
1918-12-16
Method and device for manufacturing objects from concrete
CH76294A
(en )
1917-11-16
Briquette and method of making the same
CH82936A
(en )
1919-11-01
Key and method of making the same
CH76103A
(en )
1917-11-01
Method and device for the production of paper bags
CH75814A
(en )
1917-09-17
Mast and method of making the same
CH76307A
(en )
1917-12-01
Process for the production of flat structures from waste material
AT87518B
(en )
1922-03-10
Reinforced concrete hull and method of manufacturing the same.
CH78053A
(en )
1918-06-17
Artificial building block and method of making the same
CH79613A
(en )
1918-12-16
Process for the production of components from nailable and drilled concrete
CH76373A
(en )
1917-12-01
Process for the preparation of glycolyl-p-phenetidide
CH74730A
(en )
1917-04-02
Device for making ropes
AT76380B
(en )
1919-05-10
Process and system for the production of pre-doughs.
CH74747A
(en )
1917-09-01
Process for the preparation of ß-aminoanthraquinone
CH76823A
(en )
1918-02-01
Method and device for the production of shoe protectors
CH68557A
(en )
1915-04-01
Method and device for the production of moment X-rays
CH80791A
(en )
1919-04-16
Structure and method of manufacturing the same
CH77761A
(en )
1918-05-16
Method and device for shredding sticks and for producing sticks
CH79838A
(en )
1919-01-16
Process for the production of flat structures from compressible material waste
CH74900A
(en )
1917-05-01
Process for the manufacture of pneumatic jackets