FR483734A
(fr )
1917-08-02
Perfectionnements apportés au rodage du verre et des matières analogues
ES65915A1
(es )
1918-01-16
Perfeccionamientos en filtros de aire y gases.
GB100876A
(en )
1916-07-20
Improvements in and connected with Air Filters.
AU1688115B
(en )
1915-08-06
Improvements in gas cooking apparatus
AU352517A
(en )
1917-05-25
Improvements in and connected with air filters
AU1567015B
(en )
1915-06-01
Improvement in lens apparatus and similar apparatus
AU1688315A
(en )
1916-09-05
Improvements in and connected with traps usable at bird-shooting matches
AU496517B
(en )
1918-02-05
Improvements in and connected with air heating apparatus
ES52602A1
(es )
1912-06-01
Mejoras en los caloríferos de gas y aparatos análogos.
GB109648A
(en )
1917-09-19
Improvements in Apparatus for Treating and Cooling Air and Gas.
DK25834C
(da )
1920-04-12
Brændselbesparende Anordning til Fyrsteder i Ovne og lignende.
DK20709C
(da )
1915-11-01
Redningsflaade med sammentrykket Luft.
DK20094C
(da )
1915-04-19
Fremgangsmaade til Fraskillelse og Nyttiggørelse af den i Lys- og Varmegas forekommende Kulsyre.
AU1591515B
(en )
1915-07-20
Improvements in and relating to chimney-cowls, ventilators andthe like
AU1688115A
(en )
1915-08-06
Improvements in gas cooking apparatus
GB148544A
(en )
1921-08-04
Improvements in or relating to air filters
GB101860A
(en )
1916-11-16
Improvements in or relating to Apparatus for the Liquefaction and Rectification of Air.
AU1617815B
(en )
1915-07-27
Certain new and useful improvements in violin chin rests
AU1559615B
(en )
1915-06-08
Improvements in thermionie amplifying devices
FR479661A
(fr )
1916-04-27
Perfectionnements aux mécanismes différentiels
CH79258A
(de )
1918-10-16
Gasmischvorrichtung mit Zuleitungen und mit Sicherung gegen Rückschlag in dieselben
ES61060A1
(es )
1915-12-16
Convertidor con arrollamientos separados y entrehierro variable.
AU1804615B
(en )
1916-03-21
Improvements in or relating to shades, screens, and the like
AU1822715B
(en )
1916-04-18
Improvements in and relating to portable electric lamps
AU1623915B
(en )
1915-08-31
Improvements in and connected with arc incandescent lamps