CH62755A
(en )
1914-02-02
process for the production of fire-proof and heat-insulating material
CH67201A
(en )
1914-11-16
Process for the manufacture of cement asbestos bricks and the like
CH61432A
(en )
1913-09-16
Process for the production of envelopes and bags
CH70719A
(en )
1915-10-16
Process for the manufacture of textile-like products
CH63503A
(en )
1914-04-01
Process and device for the production of panel-shaped structures
CH61239A
(en )
1913-09-16
Method and machine for the production of flat profile pieces
CH61637A
(en )
1913-10-01
Hollow brick for the production of T-beams and ceilings
CH61865A
(en )
1913-10-16
Process and device for the production of molded artificial stone
CH60919A
(en )
1913-08-16
Process and box for the production of cork insulating bricks and structural components
CH73169A
(en )
1916-08-16
Process for the production of insulating material for walls and floors
CH63602A
(en )
1914-02-02
Process for the production of cartridge cases
CH61633A
(en )
1913-10-01
Process for the production of ceiling formwork
CH58351A
(en )
1913-03-01
Process for the production of artificial building blocks
CH63133A
(en )
1914-01-02
Process for the manufacture of explosives
CH62140A
(en )
1913-11-01
Process for the manufacture of explosives
CH60580A
(en )
1913-08-01
Process and machine for the production of metal tubes
AT57793B
(en )
1913-02-25
Method and device for the production of asbestos cement panels.
CH66860A
(en )
1914-10-16
Process for the production of dihydrocodeine
CH69514A
(en )
1915-07-01
Process for the manufacture of products similar to textile structures
AT68058B
(en )
1915-02-25
Process for the production of sintered magnesite and sintered dolomite.
CH63123A
(en )
1914-01-02
Process for the production of hydrogen chloride
CH62571A
(en )
1913-12-01
Process and machine for the manufacture of footwear
CH67763A
(en )
1915-01-16
Process and drum furnace for the continuous production of calcium cyanamide
AT82804B
(en )
1921-02-25
Process for the production of butadiene and its homologues.
CH63721A
(en )
1914-02-16
Process for the production of folding packs