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1878 (Czech Wikipedia)

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

Last modified:

Ref.Un. Ref.Website
Global rank Czech rank
11patents.google.com
1,154th place
1,542nd place

patents.google.com (Global: 1,154th place; Czech: 1,542nd place)

  • 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