CH64240A
(en )
1914-03-16
Methods for cleaning oils, wax, tar and the like
CH48818A
(en )
1910-12-01
Brush for cleaning vehicle parts
CH53540A
(en )
1912-03-01
Device for cleaning utensils
CH54277A
(en )
1912-05-17
Device for cleaning pipelines
CH51503A
(en )
1911-09-01
Device for cleaning tobacco pipes
CH66461A
(en )
1914-09-16
Device for cleaning pipes
CH51400A
(en )
1911-09-01
Device for cleaning floors
AT74034B
(en )
1917-11-26
Method for cleaning graphite.
AT82983B
(en )
1921-02-25
Device for dewatering and cleaning steam.
FR440511A
(en )
1912-07-12
Scraper mats
CH60733A
(en )
1913-08-01
Device for cleaning knives and forks
CH59897A
(en )
1913-06-02
Soap for removing paints, inks and the like
CH65858A
(en )
1914-07-16
Soap for removing paints, inks and the like
CH44062A
(en )
1909-07-01
Device for cleaning dishes
CH62355A
(en )
1913-11-17
Process for thickening wood oil and related oils
CH70742A
(en )
1915-11-01
Device for cleaning beer pipes
CH67398A
(en )
1914-12-01
Device for cleaning, wanking, etc. of floors
CH58362A
(en )
1913-03-01
Device for cleaning and polishing footwear
CH66089A
(en )
1914-08-01
Equipment for cleaning dishes
CH62604A
(en )
1913-12-01
Drawing device for drawing multiple lines
CH46846A
(en )
1910-04-16
Device for cleaning cheese kettles
CH54853A
(en )
1912-07-01
Cleaning machine for peeling off spelled
AT63558B
(en )
1914-02-25
Device for extinguishing coke.
CH48439A
(en )
1910-10-17
Device for cleaning knives
AT52292B
(en )
1912-02-26
Process for the revitalization of carbonaceous and similar decolorizing agents.