Berøringsfølsom skærm (Danish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Berøringsfølsom skærm" in Danish language version.

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5,161st place

freepatentsonline.com

  • Kable, Robert G. (1986-07-15). "Electrographic Apparatus" (PDF). United States Patent 4,600,807 (full image). {{cite journal}}: Cite journal kræver |journal= (hjælp)