DK48314C
(en )
1934-01-29
Apparatus for use in water treatment plants.
FR722648A
(en )
1932-03-22
Plant conformator
FR739070A
(en )
1933-01-05
Swimming apparatus
DK51801C
(en )
1936-06-29
Apparatus for Use in Irrigation Systems.
DK47158C
(en )
1933-04-03
Apparatus for use in fishing with line.
DK45765C
(en )
1932-06-06
Apparatus for use in fishing with line.
DK48812C
(en )
1934-05-28
Sewage and sewage treatment plants.
DK52417C
(en )
1936-12-07
Apparatus for Impregnating Liquids with Carbonic Acid for Use in Households.
DK48794C
(en )
1934-05-28
Apparatus for use in fishing with line.
CA322873A
(en )
1932-05-31
Water treating apparatus
DK48973C
(en )
1934-07-09
Wastewater treatment plant.
DK49663C
(en )
1934-12-17
Apparatus for Use in Teaching Writing.
CH148092A
(en )
1931-07-15
Device for salting cheese.
CH162056A
(en )
1933-06-15
Device for coupling cattle.
DK51381C
(en )
1936-03-09
Apparatus for use in Accounting.
CA319845A
(en )
1932-02-16
Water treating substance
IS125A7
(en )
1931-08-10
Method for preserving animal and plant substances
FR733887A
(en )
1932-10-12
Apparatus for making lemonades, sparkling water and others
DK54151C
(en )
1938-01-10
Apparatus for use in the cleaning of domestic animals.
ES130948A3
(en )
1933-08-01
Improvements in wastewater treatment facilities.
DK57582C
(en )
1940-05-06
Water treatment plant.
CH182832A
(en )
1936-02-29
Apparatus for treating the gums.
CA328410A
(en )
1932-12-13
Water treatment
DK50391C
(en )
1935-07-01
Apparatus for Washing and Similar Treatments.
CA327991A
(en )
1932-11-29
Boiler water treatment