CH260445A
(en )
1949-03-15
Device for testing the speed of pressure telegraph apparatus.
DK58968C
(en )
1941-08-25
Apparatus for Receiving Television Signals.
DK58086C
(en )
1940-10-21
Apparatus for Testing the Speed of Printing Telegraph Apparatus.
DK64437C
(en )
1946-04-23
Apparatus for Making Butter.
DK55238C
(en )
1938-09-19
Apparatus for Generating Photocopy.
DK56496C
(en )
1939-07-31
Apparatus for Measuring Gravity.
DK57322C
(en )
1940-02-26
Apparatus for Copying Drawings.
DK53903C
(en )
1937-11-22
Apparatus for measuring viscosity.
DK57769C
(en )
1940-07-08
Apparatus for Purifying Liquids.
DK65823C
(en )
1947-11-03
Apparatus for measuring speed, in particular the speed of ships.
CH210432A
(en )
1940-07-15
Device for testing the speed of telegraph equipment.
DK76129C
(en )
1953-07-20
Apparatus for making masks.
DK57373C
(en )
1940-03-11
Apparatus for Measuring Liquids.
DK46244C
(en )
1932-09-26
Apparatus for Measuring Psychophysical Response Times.
DK59984C
(en )
1942-07-20
Apparatus for Preparing Wrapping Paper.
DK54835C
(en )
1938-06-07
Apparatus for the Manufacture of Margarine.
DK57165C
(en )
1940-01-15
Apparatus for Exchanging Skillemont.
DK52854C
(en )
1937-03-22
Apparatus for Making Butter.
DK45659C
(en )
1932-05-09
Apparatus for generating an aerated desiccant.
DK47095C
(en )
1933-03-20
Apparatus for generating an aerated desiccant.
DK52903C
(en )
1937-04-05
Electrodynamic Apparatus.
DK56775C
(en )
1939-10-09
Apparatus for Examining the Sense of Color.
DK59962C
(en )
1942-07-13
Apparatus for Freezing Foodstuffs.
DK62766C
(en )
1944-10-09
Apparatus for Reducing the Interference Occurring in Amplifiers.
DK46184C
(en )
1932-09-12
Apparatus for Boiling Pulses.