CH22997A
(en )
1902-05-15
Device for cleaning floors with steel chips
CH22501A
(en )
1902-03-31
Device for cleaning floors
CH22402A
(en )
1902-01-31
Device for cleaning the floors
CH21014A
(en )
1901-05-15
Steel chip holder for cleaning parquet floors
CH25844A
(en )
1903-06-30
Device for cleaning floors
CH31290A
(en )
1905-03-15
Device for cleaning floors
CH23533A
(en )
1902-08-15
Holder for clamping objects for cleaning the floor
CH20342A
(en )
1901-04-30
Device for cleaning and maintaining floors
CH28748A
(en )
1904-05-31
Device for moving work stones
CH24239A
(en )
1902-12-15
Device for impregnating long timbers
CH25917A
(en )
1903-07-15
Device for lifting liquids
CH24299A
(en )
1902-12-15
Device for cleaning floors, walls, etc.
CH21666A
(en )
1901-09-15
Device for cleaning tram rails
CH20191A
(en )
1900-12-15
Device for impregnating long timbers
CH22408A
(en )
1902-01-31
Floor waxing apparatus
CH20122A
(en )
1900-11-30
Device for lifting liquids
CH21217A
(en )
1901-06-15
Device for heating tents
CH24666A
(en )
1903-01-31
Device for chalking billiard cues
CH21889A
(en )
1901-10-31
Machine for notching wood
CH25834A
(en )
1903-07-15
Device for conveying materials
CH24440A
(en )
1902-12-31
Device for sterilizing food
CH24811A
(en )
1903-02-28
Machine for turning large areas
CH27847A
(en )
1904-03-15
Apparatus for cleaning used lubricating materials
CH26309A
(en )
1903-08-15
Device for lifting liquids
CH28210A
(en )
1904-04-15
Device for dehumidifying food