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Why we Oppose the Extension of Patents - p277
doi:10.1038/scientificamerican05081858-277b
The Decision in the Reaper Patent Case - p278
doi:10.1038/scientificamerican05081858-278a
Apparatus for Impregnating Liquids with Carbonic Acid Gas - p278
doi:10.1038/scientificamerican05081858-278f