DK41451C
(en )
1930-01-13
Cell system for Filters for Air and Gases.
SU6749A1
(en )
1928-10-31
Gas filter for breathing apparatus
FR611555A
(en )
1926-10-01
Quick build system
DK38522C
(en )
1928-03-05
Air Compression Procedure and Apparatus.
DK41670C
(en )
1930-02-17
Method and Device for Manufacturing Compressed Gases from Liquid Gases.
FR671580A
(en )
1929-12-14
Filter for gas, air, etc.
DK32403C
(en )
1923-10-22
Filter for Purification of Air and Gases.
DK38787C
(en )
1928-05-21
Apparatus for Storing Air or Gases under Pressure.
DK38388C
(en )
1928-01-30
Preheater for Air and other Fluids.
DK35978C
(en )
1926-05-10
Apparatus for Compressing Air or Gases.
ES100141A1
(en )
1927-01-01
Procedure for gas purification.
FR674541A
(en )
1930-01-29
Air or gas filter
DK38175C
(en )
1927-11-21
Fastening device for Membranes for dry Gas meters.
DK39754C
(en )
1929-01-28
Procedure and Device for Increasing the Adsorption Effect of Plant Cell Conglomerates.
DK40380C
(en )
1929-07-01
Procedure and Device for Evaporation of Gases.
ES97624A1
(en )
1926-06-01
Procedure for purifying gases.
DK39869C
(en )
1929-03-04
Method and Device for the Utilization of Carbon dioxide.
DK38495C
(en )
1928-03-05
Apparatus for Separating Oil and Water from Compressed Air.
DK40406C
(en )
1929-07-01
Method and Device for Evaporation of Liquid Gases.
DK42041C
(en )
1930-04-14
Device for Dusting and Leaving Tobacco in Pneumatic Tobacco Preparation Plants.
DK40693C
(en )
1929-08-26
Procedure for Purifying Gas Mixtures
DK37676C
(en )
1927-07-11
Membrane for dry gas meters.
FR623660A
(en )
1927-06-28
gas purifier
FR638692A
(en )
1928-05-31
Air filter
ES91558A1
(en )
1925-02-01
Improvements in filters for air and other gases.