CH20092A
(en )
1900-11-30
Apparatus for the production of nitrogen gases and their subsequent condensation
CH20265A
(en )
1900-12-31
Apparatus for the production, storage and purification of acetylene gas
CH22095A
(en )
1901-11-30
Apparatus for the production of acetylene gas
CH18991A
(en )
1900-04-15
Apparatus for the production of acetylene gas
FR335120A
(en )
1904-01-12
Method and apparatus for the production of gas
FR367E
(en )
1902-12-13
Method and apparatus for the continuous manufacture of gases for lighting and industry
FR88E
(en )
1902-10-20
Method and apparatus for the continuous manufacture of gases for lighting and industry
FR355428A
(en )
1905-10-31
Apparatus for the manufacture of coke and gas
FR334776A
(en )
1903-12-31
Method and apparatus for the production of gas
FR328984A
(en )
1903-07-23
Method and apparatus for the separation of gas mixtures
CH31798A
(en )
1905-05-31
Apparatus for the separation of nitrogen and oxygen from atmospheric air
GB190014426A
(en )
1901-05-18
Improvements in Apparatus for use in the Manufacture of Gas
FR329142A
(en )
1903-07-25
Lighting gas and apparatus for its production
CH25272A
(en )
1903-04-30
Apparatus for the production of acetylene gas
CH27389A
(en )
1904-01-15
Apparatus for the production of acetylene gas
FR319142A
(en )
1902-11-05
Device for the production and insufflation of oxygen gas
CH18918A
(en )
1900-03-31
Apparatus for the production of acetylene gas
CH19832A
(en )
1900-09-30
Apparatus for the production of acetylene gas
CH20851A
(en )
1901-04-15
Apparatus for the production of acetylene gas
FR342821A
(en )
1904-09-17
Apparatus for the production of mixed gas
FR335783A
(en )
1904-02-12
Apparatus for the production of acetylene gas
CH17167A
(en )
1899-09-15
Apparatus for the production of acetylene gas
CH18269A
(en )
1899-11-30
Apparatus for the production of acetylene gas
CH16096A
(en )
1898-09-30
Apparatus for the production of acetylene gas
CH17728A
(en )
1899-08-15
Apparatus for the production of acetylene gas