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<http://webisa.webdatacommons.org/380292564>	<http://www.w3.org/ns/prov#value>	"Patent US7617537 - Communication system and its method and communication apparatus and its method - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsThis invention relates to a communication system including a first apparatus having a first storage medium, and a second apparatus for transmitting data to the first apparatus, the second appara" .