CH60548A
(en )
1913-07-16
Process for processing waste paper
CH66122A
(en )
1914-11-16
Process for bleaching tobacco cover sheets
CH66774A
(en )
1914-10-01
Process for cleaning metals
CH56096A
(en )
1912-10-01
Process for cleaning metal objects
CH51158A
(en )
1911-08-01
Process for processing profiled objects
CH75890A
(en )
1917-10-01
Process for detinning tinplate waste
CH54192A
(en )
1912-05-01
Process for cleaning buildings
CH61994A
(en )
1913-11-01
Device for holding barrels
CH70732A
(en )
1915-10-16
Process for gasifying sewer sludge
CH52854A
(en )
1912-01-02
Process for briquetting using sulphite waste liquor
CH66328A
(en )
1914-10-16
Process for liming hides
CH67915A
(en )
1915-02-01
Process for softening water
CH73107A
(en )
1916-08-16
Process for cleaning sulphite waste liquor
CH63551A
(en )
1914-02-02
Apparatus for cleaning laundry
CH59169A
(en )
1913-05-02
Process for tanning rabbit fur
CH54277A
(en )
1912-05-17
Device for cleaning pipelines
CH61744A
(en )
1913-10-16
Process for hardening metals
CH58422A
(en )
1913-03-01
Process for treating calcium cyanamide
CH64248A
(en )
1914-03-16
Method of collecting sheets
CH58967A
(en )
1913-04-16
Device for removing profile shapes
CH77548A
(en )
1918-05-01
Method and device for double-sided smoothing of rough sheet paper
CH60976A
(en )
1913-09-01
Process for bleaching flour
CH51316A
(en )
1911-08-16
Device for grooving curved workpieces
CH61416A
(en )
1913-09-16
Process for evaporation of liquids
CH61015A
(en )
1913-09-01
Calculating machine for performing multiplications