CH47647A
(en )
1910-07-16
Device for cleaning floors
CH47925A
(en )
1910-08-16
Device for serving food
CH47409A
(en )
1910-07-01
Device for cleaning laundry
CH51400A
(en )
1911-09-01
Device for cleaning floors
CH47906A
(en )
1910-08-16
Device for laying floors
CH55327A
(en )
1912-08-01
Device for cleaning parquet floors
CH48818A
(en )
1910-12-01
Brush for cleaning vehicle parts
CH54277A
(en )
1912-05-17
Device for cleaning pipelines
CH70411A
(en )
1915-09-16
Device for cleaning floors
CH47920A
(en )
1910-09-01
Device for mechanical cleaning of dishes
CH44062A
(en )
1909-07-01
Device for cleaning dishes
CH46846A
(en )
1910-04-16
Device for cleaning cheese kettles
CH67398A
(en )
1914-12-01
Device for cleaning, wanking, etc. of floors
CH46550A
(en )
1910-03-16
Floor cleaning agents
CH46143A
(en )
1910-02-01
Device for cleaning window panes
CH44260A
(en )
1909-10-01
Maserier apparatus
CH53540A
(en )
1912-03-01
Device for cleaning utensils
CH42470A
(en )
1909-02-01
Device for cleaning footwear
CH35104A
(en )
1906-08-31
Device for cleaning brushes
CH48439A
(en )
1910-10-17
Device for cleaning knives
CH39419A
(en )
1908-03-02
Machine for cleaning floors
CH41880A
(en )
1908-12-01
Electrically operated device for polishing floors
CH49735A
(en )
1911-03-16
Apparatus for cleaning floors
CH31290A
(en )
1905-03-15
Device for cleaning floors
CH46558A
(en )
1910-03-16
Hose cleaning machine