1878 (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "1878" in Czech language version.

refsWebsite

Global rank Czech rank

1patents.google.com

1,182^nd place

1,958^th place

patents.google.com

US200521A. Improvement in phonograph or speaking machines [Zlepšení fonografu nebo mluvících strojů]. Application events [Žádosti bylo vyhověno] 1878-02-19. [December 14, 2006] [cit. 18. 11. 2022]. Dostupné z: https://patents.google.com/patent/US200521A/en