CH60932A
(en )
1913-09-01
Apparatus for the production of acetylene gas
FR434711A
(en )
1912-02-10
Apparatus for the production of acetylene gas
FR456569A
(en )
1913-08-29
Apparatus for the production of acetylene gas
FR469142A
(en )
1914-07-24
Apparatus for the production of coal gas
FR493180A
(en )
1919-08-01
Apparatus for the synthetic production of coal gas
FR434888A
(en )
1912-02-15
Gasifying apparatus for the production of combustible gas
FR423800A
(en )
1911-04-26
Acetylene gas production apparatus
FR418618A
(en )
1910-12-14
Device for the production of acetylene gas
FR418707A
(en )
1910-12-17
Purifier for acetylene gas
FR443773A
(en )
1912-10-02
Process for the separation of naphthalene from gases
FR425593A
(en )
1911-06-14
Process for the electrical purification of gases
ES52653A1
(en )
1912-06-16
Acetylene gas producing apparatus.
FR376420A
(en )
1907-08-08
Apparatus for the production of acetylene gas
FR466008A
(en )
1914-05-02
Apparatus for the production of instantaneous steam
FR413114A
(en )
1910-08-01
Gasifier for the production of lean gases
FR438419A
(en )
1912-05-17
Acetylene gas producing device
FR345062A
(en )
1904-11-21
Apparatus for the production of acetylene gas
FR437184A
(en )
1912-04-15
Acetylene apparatus mainly intended for the production of this gas for its immediate use for autogenous welding
CH72931A
(en )
1916-07-17
Acetylene gas apparatus
FR446511A
(en )
1912-12-07
Gas producing device
FR445678A
(en )
1912-11-16
Gas producing device
FR479297A
(en )
1916-03-03
Apparatus for the production of toluene
FR372504A
(en )
1907-04-10
Apparatus for the production of acetylene gas
CA144317A
(en )
1912-11-26
Acetylene gas apparatus
FR449079A
(en )
1913-02-17
Acetylene producing apparatus