FR20752E
(en )
1919-06-14
A new projectile
NL141C
(en )
1914-03-02
Improvement to galvanic primary elements
CH60590A
(en )
1913-08-01
Crate nailing pliers
FR472371A
(en )
1914-12-03
Explosive compound
NL1490C
(en )
1916-08-01
Improvement to a nut lock
CH79679A
(en )
1918-12-16
Collapsible field forge
CH55313A
(en )
1912-08-01
Enclosure of objects passed through a roof
CH80012A
(en )
1919-06-02
Process for generating steam using heat accumulators
CH69898A
(en )
1915-08-02
Method of connecting metal bars to one another
CH63630A
(en )
1914-02-02
Process for the production of hollow bodies from metal plates by welding or soldering them together
ES38939A1
(en )
1906-09-16
A procedure to concentrate nitric acid by electrolytic.
FR458464A
(en )
1913-10-11
Explosive compound
CH73638A
(en )
1916-11-01
Choke coil, which is enclosed in a metal housing to protect against external influences
CH80591A
(en )
1919-07-16
Process for generating steam using heat accumulators
CH7321A
(en )
1894-02-28
A box whose walls are held together by sheet metal clips
ES63588A1
(en )
1917-02-01
A galvanic element.
FR493943A
(en )
1919-08-26
Metal machine tool
ES61312A1
(en )
1915-12-16
A procedure to concentrate nitric acid.
ES60893A3
(en )
1915-10-16
A metal closure.
FR21119E
(en )
1920-05-20
Metal cross member
ES57719A1
(en )
1914-04-16
A machine for galvanizing pieces of wire mesh.
CH27738A
(en )
1904-02-15
Lightning arrester with a number of spark gaps connected in series, formed by metal plates in a row
FR459108A
(en )
1913-10-28
Hydraulic multiplier
CH81817A
(en )
1919-07-16
Mother lock
CH77004A
(en )
1918-03-01
Device for switching change gears connected to a motor