GR2931B
(el )
1930-10-01
Τροπος χυσεως μεταλλευματος.
FR698428A
(fr )
1931-01-30
Bague métallique
FR693445A
(fr )
1930-11-20
Sous-bras
FR704275A
(fr )
1931-05-16
Grapin pour mitraille et minerais
FI13110A
(fi )
1930-11-14
Flotatiomenetelmä
FI13111A
(fi )
1930-11-14
Flotatiomenetelmä
FI13400A
(fi )
1931-03-23
Flotatiomenetelmä
FR697023A
(fr )
1931-01-10
Bidon
FR689047A
(fr )
1930-09-01
Construction métallique
ES117131A1
(es )
1930-04-01
Perfeccionamientos en piezas de artillería de retrocarga.
ES664Y
(es )
1932-05-01
Sommier metálico.
DK47088C
(da )
1933-03-20
Staalstige.
FR704503A
(fr )
1931-05-21
Alliage
FR721767A
(fr )
1932-03-08
Alliage glucinium-cuivre-manganèse
FI12749A
(fi )
1930-01-10
Gatlykta
FI12756A
(fi )
1930-01-10
Eldstadsbotten
FI12758A
(fi )
1930-01-10
Gaskokare
FI12775A
(fi )
1930-01-10
Fordonsfjäder
FI12781A
(fi )
1930-01-10
Suksiside
FI12824A
(fi )
1930-03-07
Dubbelgasbrännare
FI12830A
(fi )
1930-03-07
Genomföringsströmtransformator enligt manteltyp
FI12832A
(fi )
1930-03-07
Evakueringspump
FI12846A
(fi )
1930-03-07
Velocipedställning
FI12847A
(fi )
1930-03-07
Dosöppnare
FI12848A
(fi )
1930-03-07
Anstrykningsförfarande