CH12964A
(en )
1897-03-31
Automatic apparatus for the production of acetylene
CH12477A
(en )
1896-12-31
An apparatus for the production of acetylene
CH12742A
(en )
1897-02-15
Apparatus for the production of acetylene
CH13521A
(en )
1897-07-15
Apparatus for the production of acetylene
CH13414A
(en )
1897-06-30
Self-regulating device for the production of acetylene
CH12316A
(en )
1896-11-30
New apparatus for the manufacture of acetylene
CH14171A
(en )
1897-10-31
Apparatus for the production of acetylene
CH17343A
(en )
1899-05-31
Apparatus for the production of acetylene
FR1228E
(en )
1903-06-26
A gasifier-gasometer for the automatic production of acetylene
CH12244A
(en )
1896-11-30
Apparatus for the production of ozone
FR329133A
(en )
1903-07-25
Apparatus for the production of acetylene
FR336492A
(en )
1904-03-10
Apparatus for the production of acetylene
CH14800A
(en )
1898-02-28
Advanced apparatus for the manufacture of acetylene
CH12245A
(en )
1896-11-15
Advanced apparatus for electrolysis
CH28786A
(en )
1904-06-15
Apparatus for the production of acetylene
CH13621A
(en )
1897-07-31
Apparatus for the production and storage of acetylene
CH14090A
(en )
1897-09-30
Apparatus for the production of acetylene, Pellaton system
CH17022A
(en )
1899-03-31
New apparatus for the manufacture of acetylene
CH15916A
(en )
1898-08-15
Apparatus for the manufacture of acetylene
CH15345A
(en )
1898-05-15
Automatic acetylene producing device for vehicle lighting
CH19076A
(en )
1900-04-30
Apparatus for the production of acetylene, Pianet system
FR338950A
(en )
1904-09-21
Automatic acetylene producing apparatus
CH17092A
(en )
1899-04-15
Apparatus for producing acetylen
CH14631A
(en )
1898-01-31
Advanced apparatus for electrolysis
FR398551A
(en )
1909-06-08
Process for the purification of acetylene