CH15738A
(en )
1898-07-31
Apparatus for generating acetylene gas
CH16016A
(en )
1898-09-15
Apparatus for generating acetylene gas
CH13995A
(en )
1897-09-30
Apparatus for generating acetylene gas
CH14801A
(en )
1898-02-28
Apparatus for generating acetylene gas
CH15135A
(en )
1898-04-15
Apparatus for generating acetylene gas
CH15137A
(en )
1898-04-15
Apparatus for generating acetylene gas
CH15220A
(en )
1898-04-30
Apparatus for generating acetylene gas
CH13994A
(en )
1897-09-15
Improved Apparatus for Generating Acetylene Gas
CH20538A
(en )
1901-03-15
Apparatus for generating acetylene gas
CH15341A
(en )
1898-05-15
Automatic apparatus for generating acetylene gas
CH16092A
(en )
1898-09-30
Apparatus for producing acetylene gas
CH26380A
(en )
1903-08-31
Apparatus for generating acetylene gas
CH15222A
(en )
1898-06-30
Apparatus for generating and accumulating acetylene gas
CH15346A
(en )
1898-05-15
Apparatus for generating water gas
CH17253A
(en )
1899-05-31
Apparatus for the generation, storage and purification of acetylene gas
CH24100A
(en )
1902-11-15
Apparatus for generating gas
CH18272A
(en )
1899-11-30
Gas generators on apparatus for generating acetylene gas
CH19311A
(en )
1900-06-30
Device for generating acetylene gas
CH21204A
(en )
1901-06-15
Apparatus for generating air gas
CH18919A
(en )
1900-03-31
Apparatus for producing acetylene
CH17345A
(en )
1899-05-31
Apparatus for the production of pure acetylene
CH20352A
(en )
1901-01-31
Apparatus for generating luminous gas from rosin
CH23464A
(en )
1902-07-31
Apparatus for generating gas and recovering by-products
CH13519A
(en )
1897-07-15
Automatic apparatus for generating acetylene gas from calcium carbide
CH16586A
(en )
1898-12-31
Apparatus for improving handwriting