CH50232A
(en )
1911-05-01
Method for producing matrices
CH50222A
(en )
1911-05-01
Process for purifying cocoa
AT70927B
(en )
1916-01-10
Method for bracing construction pits.
CH48253A
(en )
1910-10-01
Process for preserving wood
CH48457A
(en )
1910-10-17
Method for embroidering ribbons
CH49603A
(en )
1911-03-01
Process for emulsifying organic compounds
AT41186B
(en )
1910-02-25
Process for softening mica.
CH40456A
(en )
1908-07-16
Process for dearsenating acids
CH41284A
(en )
1908-10-01
Process for preserving chocolate
AT57817B
(en )
1913-02-25
Process for preparing printing plates.
CH41737A
(en )
1908-11-16
Method for dressing the end faces of clay tubes
AT67999B
(en )
1915-02-25
Process for the manufacture of means for electric welding.
CH61489A
(en )
1913-10-01
Apparatus for making tires
CH45814A
(en )
1909-12-16
Process for impregnating wood
CH49029A
(en )
1911-01-02
Process and device for cooling water
AT46546B
(en )
1911-02-25
Process for sensitizing cellulose pellets.
CH67915A
(en )
1915-02-01
Process for softening water
CH51158A
(en )
1911-08-01
Process for processing profiled objects
CH52282A
(en )
1911-11-01
Method of purifying water
CH43486A
(en )
1909-05-17
Process for the production of printing plates
CH49730A
(en )
1911-03-16
Process for manufacturing components
CH54601A
(en )
1912-06-01
Process for manufacturing components
CH55754A
(en )
1912-09-02
Process for coloring aluminum foils
CH57690A
(en )
1913-02-01
Machine for inserting fasteners
CH54136A
(en )
1912-05-01
Machine for inserting fasteners