AT98976B
(en )
1925-01-10
Process for increasing the electrical conductivity of alloys.
FR566381A
(en )
1924-02-13
Electrolytic separation
FR548204A
(en )
1923-01-10
Petticoat
CH100477A
(en )
1923-12-17
Process for the production of sodium nitrite.
FR569038A
(en )
1924-04-05
Spade
GR347B
(en )
1922-10-17
METHOD OF IMPROVING THE PROPERTY OF KOLOFONI.
AT109168B
(en )
1928-03-26
Smoldering process.
CH138309A
(en )
1930-02-28
Procedure to avoid corrosion on amalgamated electrodes.
AT108109B
(en )
1927-11-25
Process for the manufacture of low-sulfur cast iron.
CH242030A
(en )
1946-04-15
Process for improving the contacting of electrical contacts.
AT94894B
(en )
1923-11-10
Lockable fuse for electrical lines.
AT98143B
(en )
1924-10-10
Process for the manufacture of lamellar electric detonators
CH109477A
(en )
1925-04-01
Process for the production of hydrogen cyanide.
ES81478A1
(en )
1923-04-01
Electrolyzer.
AT91047B
(en )
1923-01-25
Device for the production of Holztabgeweben u. like
ES82942A1
(en )
1923-03-16
Procedure for the production of connection rings in electrical conductors.
AT116498B
(en )
1930-02-25
Process for generating refrigeration.
AT121518B
(en )
1931-02-25
Process for the production of aluminum-copper-nickel alloys.
FR572957A
(en )
1924-06-16
Metal molds
CA219645A
(en )
1922-06-13
Electrolytic apparatus
AT98969B
(en )
1925-01-10
Process for the production of zinc oxide.
ES80582A3
(en )
1922-04-16
An industrial process consisting of the manufacture of boric acid.
AT106603B
(en )
1927-06-10
Process for the production of active charcoal.
FR546748A
(en )
1922-11-22
Graphite crucible
CH107786A
(en )
1924-11-17
Process for the preparation of 1: 3-dichloro-b-naphthylamine.