CH11930A
(en )
1896-09-15
Apparatus for the production of acetylene gas and for the use thereof for lighting
CH16283A
(en )
1898-10-31
Apparatus for the production of acetylene gas for private lighting and public lighting
CH11929A
(en )
1896-08-31
Apparatus for the production of lighting and heating gas
FR351286A
(en )
1905-07-10
Apparatus for the production of acetylene and other gases
FR361952A
(en )
1907-01-05
Apparatus for obtaining lighting gas under high pressure
FR329142A
(en )
1903-07-25
Lighting gas and apparatus for its production
FR319860A
(en )
1902-11-25
Portable generator for the production of acetylene gas for lighting
CH26119A
(en )
1903-07-31
Portable generator for the production of acetylene gas for lighting
CH57A
(en )
1889-01-08
Apparatus for improving the manufacture of lighting gas
CH12646A
(en )
1897-01-31
An apparatus for the production of acetylene gas
CH13617A
(en )
1897-07-31
An apparatus for the production of acetylene gas
CH12742A
(en )
1897-02-15
Apparatus for the production of acetylene
CH20265A
(en )
1900-12-31
Apparatus for the production, storage and purification of acetylene gas
CH13414A
(en )
1897-06-30
Self-regulating device for the production of acetylene
CH12477A
(en )
1896-12-31
An apparatus for the production of acetylene
CH12316A
(en )
1896-11-30
New apparatus for the manufacture of acetylene
FR322721A
(en )
1903-02-11
Apparatus for the production of generator gas and water gas
FR405096A
(en )
1909-12-18
Process for the use of lighting gas cleaning materials
CH13620A
(en )
1897-07-31
Automatic device for the production of acetylene gas for domestic and industrial lighting
FR88E
(en )
1902-10-20
Method and apparatus for the continuous manufacture of gases for lighting and industry
FR367E
(en )
1902-12-13
Method and apparatus for the continuous manufacture of gases for lighting and industry
CH13621A
(en )
1897-07-31
Apparatus for the production and storage of acetylene
CH13712A
(en )
1897-07-31
Apparatus for the production of acetylene gas
CH13787A
(en )
1897-08-15
Apparatus for the production of acetylene gas
FR331841A
(en )
1903-10-03
Method and apparatus for over-purification of lighting gas