CH25055A
(en )
1903-03-31
An apparatus for welding with oxyhydrogen gas
CH23283A
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1902-06-30
Apparatus for enriching coal gas
FR333688A
(en )
1903-12-01
Apparatus for producing and burning acetylene gas
CH13711A
(en )
1897-08-15
Regulating device for oxyhydrogen gas
FR335783A
(en )
1904-02-12
Apparatus for the production of acetylene gas
CH25140A
(en )
1903-04-15
Apparatus for the automatic production of acetylene gas
FR329041A
(en )
1903-07-24
Apparatus for welding pipes
CH29234A
(en )
1904-07-31
Apparatus for launching a liquid
FR330568A
(en )
1903-08-21
Advanced apparatus for the production of acetylene gas
CH31905A
(en )
1905-06-15
Apparatus for treating flour with gas
FR337514A
(en )
1904-04-13
Method and apparatus for the production of gas by means of pulverulent fuels
CH13617A
(en )
1897-07-31
An apparatus for the production of acetylene gas
CH12646A
(en )
1897-01-31
An apparatus for the production of acetylene gas
CH13037A
(en )
1897-03-31
An apparatus for the automatic production of acetylene gas
FR329839A
(en )
1903-08-06
Method and apparatus for the liquefaction of very differently liquefiable gas mixtures
FR345062A
(en )
1904-11-21
Apparatus for the production of acetylene gas
CH25270A
(en )
1903-04-30
Acetylene gas developing apparatus
CH15815A
(en )
1898-07-31
Portable device for producing acetylene gas
CH12162A
(en )
1896-10-31
Apparatus for producing acetylene gas
FR330363A
(en )
1903-08-18
Apparatus for producing acetylene gas says: acetylogen beauchamp
CH22095A
(en )
1901-11-30
Apparatus for the production of acetylene gas
FR2059E
(en )
1903-12-16
Safety device for gas torch
FR323645A
(en )
1903-03-11
Safety device for gas torch
FR354308A
(en )
1905-10-03
Apparatus for measuring gas pressure differences
FR343818A
(en )
1904-10-15
Liquefied gas containers