CH329276A
(en )
1958-04-30
Methods for combating pests, in particular fungi and bacteria
CH205107A
(en )
1939-06-15
Method and device for the production of fiberglass.
CH262704A
(en )
1949-07-15
Method for exterminating weeds.
CH160105A
(en )
1933-02-28
Method and device for the extermination of rodents, in particular field mice.
CH160118A
(en )
1933-02-28
Method and device for ventilation of rooms.
CH360842A
(en )
1962-03-15
Device for killing insects, in particular flies
CH149925A
(en )
1930-10-15
Method for mowing grass etc. and device for practicing the method.
CH158174A
(en )
1932-11-15
Method and device for the production of road surfaces.
CH170367A
(en )
1934-07-15
Method and device for exterminating moths and other vermin.
CH190353A
(en )
1937-04-30
Device for removing and killing vermin on animals, in particular lice.
AT107988B
(en )
1927-11-25
Method and device for processing cellulose.
CH145464A
(en )
1931-02-28
Method and device for processing animal carcasses, slaughterhouse waste, fish, fish waste and the like.
CH201663A
(en )
1938-12-15
Method and device for the continuous conversion of coordinates.
CH128929A
(en )
1928-11-16
Device for receiving mothballs for the purpose of moth control.
CH185374A
(en )
1936-07-31
Method and device for destroying animal pests.
CH174108A
(en )
1934-12-31
Method and device for producing perspective drawings.
AT140710B
(en )
1935-02-25
Method and device for the production of cam sleepers.
CH189396A
(en )
1937-02-28
Method and device for the fermentation of solutions.
CH154075A
(en )
1932-04-30
Device for removing weeds.
CH207415A
(en )
1939-10-31
Device for treating the external skin of humans and pets.
CH204839A
(en )
1939-05-31
Method and device for the continuous dissolution of cellulose xanthate.
AT111009B
(en )
1928-10-25
Method and device for making collars.
CH198962A
(en )
1938-07-31
Method and device for processing margarine and the like.
AT108110B
(en )
1927-11-25
Method and device for the electrolysis of chlor-alkalis.
AT136571B
(en )
1934-02-26
Chopping device for processing splinters, rinds or the like.