CH17433A
(en )
1899-06-15
Apparatus for the production and storage of acetylene
CH13621A
(en )
1897-07-31
Apparatus for the production and storage of acetylene
CH14348A
(en )
1897-11-15
Advanced apparatus for the production and storage of acetylene
CH17343A
(en )
1899-05-31
Apparatus for the production of acetylene
CH15916A
(en )
1898-08-15
Apparatus for the manufacture of acetylene
CH17022A
(en )
1899-03-31
New apparatus for the manufacture of acetylene
CH18698A
(en )
1900-03-31
Apparatus for the production and storage of acetylene gas
CH13521A
(en )
1897-07-15
Apparatus for the production of acetylene
CH18916A
(en )
1900-04-30
Acetylene producing apparatus
CH14171A
(en )
1897-10-31
Apparatus for the production of acetylene
CH14800A
(en )
1898-02-28
Advanced apparatus for the manufacture of acetylene
CH20265A
(en )
1900-12-31
Apparatus for the production, storage and purification of acetylene gas
CH12316A
(en )
1896-11-30
New apparatus for the manufacture of acetylene
CH12742A
(en )
1897-02-15
Apparatus for the production of acetylene
CH17092A
(en )
1899-04-15
Apparatus for producing acetylen
CH28786A
(en )
1904-06-15
Apparatus for the production of acetylene
CH19922A
(en )
1900-10-31
Apparatus for liquefying air
CH12477A
(en )
1896-12-31
An apparatus for the production of acetylene
CH19076A
(en )
1900-04-30
Apparatus for the production of acetylene, Pianet system
FR351286A
(en )
1905-07-10
Apparatus for the production of acetylene and other gases
FR329133A
(en )
1903-07-25
Apparatus for the production of acetylene
FR336492A
(en )
1904-03-10
Apparatus for the production of acetylene
CH14632A
(en )
1898-01-15
Device for the continuous production of ozone
CH12244A
(en )
1896-11-30
Apparatus for the production of ozone
FR356027A
(en )
1905-11-18
Apparatus for the evaporation of salt water and the simultaneous production of high voltage steam