DK38787C
(en )
1928-05-21
Apparatus for Storing Air or Gases under Pressure.
DK35978C
(en )
1926-05-10
Apparatus for Compressing Air or Gases.
SU6749A1
(en )
1928-10-31
Gas filter for breathing apparatus
DK39490C
(en )
1928-11-19
Apparatus for Casting under Air Pressure.
FR671580A
(en )
1929-12-14
Filter for gas, air, etc.
AT104633B
(en )
1926-11-10
Device for gasifying liquid air for the operation of compressed air engines.
DK31629C
(en )
1923-04-30
Gas Apparatus for Heating Air.
DK38739C
(en )
1928-05-07
Apparatus for preventing compressed air or the like from entering a gas line.
ES95180A1
(en )
1925-12-16
An oxygen or other gas apparatus.
DK55399C
(en )
1938-10-31
Apparatus for Detecting Gas in Atmospheric Air.
DK48050C
(en )
1933-11-20
Apparatus for Filtering Liquids or Gases.
DK42600C
(en )
1930-07-14
Device for Apparatus for the manufacture of air rings.
DK37065C
(en )
1927-01-31
Apparatus for Supplying Gases to Liquids.
DK41451C
(en )
1930-01-13
Cell system for Filters for Air and Gases.
ES121748A1
(en )
1931-03-16
An apparatus for the purification of air and gases.
DK38962C
(en )
1928-07-09
Apparatus for Impregnation of Liquids with Gases.
DK38522C
(en )
1928-03-05
Air Compression Procedure and Apparatus.
ES114028A1
(en )
1929-08-16
Apparatus for obtaining toxic gases.
DK30636C
(en )
1922-11-13
Apparatus for Draining Liquid Under Air Pressure.
DK40040C
(en )
1929-04-15
Apparatus for Disinfection of Air.
ES100141A1
(en )
1927-01-01
Procedure for gas purification.
DK31462C
(en )
1923-03-26
Procedure for Testing the Density of Containers for Compressed Air.
DK48609C
(en )
1934-04-09
Apparatus for Filtering Liquids or Gases.
DK37433C
(en )
1927-05-09
Apparatus for Indicating that the Pressure in Air Rings drops below a certain Limit.
DK37887C
(en )
1927-08-29
Apparatus for Testing Eggs.