SE47735C1
(enExample )
1920-01-01
SE47501C1
(enExample )
1920-01-01
SE100223C1
(enExample )
1940-01-01
GB422982A
(en )
1935-01-23
Improvements in and relating to water stabilizers for flying boats
Fowler
1927
Fishes from Ocracoke, North Carolina
SU135270A1
(ru )
1960-11-30
Воздушно-напорна модель дл экспериментального исследовани течени воды в открытых водоемах
SE48248C1
(enExample )
1920-01-01
SE47521C1
(enExample )
1920-01-01
KINOSITA
1942
A new propagation method of Gloiopeltis
SE100568C1
(enExample )
1940-01-01
GB151096A
(en )
1920-09-20
An improved winder, for the better and quicker winding of kite strings, fishing lines, and the like
SE48199C1
(enExample )
1920-01-01
木下虎一郎
1942
A New Propagation Method of Gloiopeltis
FR1077420A
(fr )
1954-11-08
Perfectionnements aux lames, pales ou ailettes pour ventilateurs ou analogues
Selling
1947
Svenska fornminnesföreningen 1946
SE47887C1
(enExample )
1920-01-01
SE99854C1
(enExample )
1940-01-01
Bragg
1920
The world of sound; six lectures delivered before a juvenile auditory at the Royal institution, Christmas, 1919, by Sir William Bragg.
GB626551A
(en )
1949-07-18
Improvements in a photo frame
GB461580A
(en )
1937-02-19
Improvements in and relating to the construction of rotors, especially air fans, wind wheels or the like
SE47491C1
(enExample )
1920-01-01
DK33141C
(da )
1924-04-28
Med Midler til egen Fremdrivning forsynet Transportapparat, der kan bevæges paa Jorden, og som kan omdannes til en Flaade for at passere en Flod eller et andet Vandløb.
GB332570A
(en )
1930-07-23
Improvements in and relating to mechanical toys
SE100959C1
(enExample )
1940-01-01
SE69985C1
(enExample )
1930-01-01