Generator Pierce'a (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Generator Pierce'a" in Polish language version.

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uspto.gov

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  • George W. Pierce, „Electrical System,” U.S. patent 2,133,642 (filed: 25 February 1924; issued: 18 October 1938). Dostępny on-line: Amerykański patent Pierce’a. [dostęp 2011-01-03]. (ang.).

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