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<iframe name="ngram_chart" src="https://books.google.com/ngrams/interactive_chart?content=intellectual+property&year_start=1800&year_end=2008&corpus=15&smoothing=3" width=900 height=500 marginwidth=0 marginheight=0 hspace=0 vspace=0 frameborder=0 scrolling=no></iframe>
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cook_VERB, _DET_ President _PROPN_
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King of *, best *_NOUN
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1800
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2008
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English (2012)
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2012
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intellectual property
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1800 - 1986
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2008
English