CH80255A
(en )
1919-02-17
Method and device for manufacturing horseshoes with studs
CH82425A
(en )
1919-10-01
Method and device for manufacturing insoles provided with sewn lips
CH79146A
(en )
1918-10-01
Method of making briquettes
CH78765A
(en )
1918-09-02
Method of making briquettes
CH79747A
(en )
1919-01-02
Method of making hoes and similar devices
CH78689A
(en )
1918-08-16
Headed studs and process for their manufacture
CH81594A
(en )
1919-06-16
Pan-like device for making Knöpfli
CH80791A
(en )
1919-04-16
Structure and method of manufacturing the same
CH88567A
(en )
1921-03-01
Process for the production of trinitroresorzin.
DK25138C
(en )
1919-10-13
Procedure for the treatment of fish before their placement in the cargo.
CH82935A
(en )
1919-11-01
Device for the production of moldings
CH83517A
(en )
1919-12-16
Method and device for the production of photographs of terrain from aircraft
CH82936A
(en )
1919-11-01
Key and method of making the same
CH80792A
(en )
1919-04-01
Firestone and method of making the same
CH80641A
(en )
1919-08-16
Process for the preparation of 7-methylisatin
CH81561A
(en )
1919-11-17
Process for the preparation of 4-chloro-7-methoxyisatin
CH81559A
(en )
1919-11-17
Process for the preparation of 4-6-dichloroisatin
CH81558A
(en )
1919-12-01
Process for the preparation of 4-7-dichloroisatin
CH81555A
(en )
1919-11-17
Process for the preparation of 5-chloro-7-methylisatin
CH81554A
(en )
1919-11-17
Process for the preparation of 5-methyl-7-chloroisatin
CH81552A
(en )
1919-11-01
Process for the preparation of 4-methyl-7-chloroisatin
CH81551A
(en )
1919-11-01
Process for the preparation of 4-chloro-7-methylisatin
CH80638A
(en )
1919-08-01
Process for the preparation of 5-7-dimethylisatin
CH80633A
(en )
1919-08-01
Process for the preparation of 7-chloroisatin
CH80637A
(en )
1919-08-16
Process for the preparation of 4-7-dimethylisatin