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<http://webisa.webdatacommons.org/2979535>	<http://www.w3.org/ns/prov#value>	"xplaining locking means respectively, showing a cord-winding part of an embodiment used for a headphone apparatus of the present invention; FIGS. 5A and 5B are a plan view and a side view respectively showing the outer appearance of a headphone apparatus of the present invention; FIG. 6 is a wiring diagram in which two kinds of cords of a headphone apparatus of the present invention are simultaneo" .
<http://webisa.webdatacommons.org/2979535>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/333987245>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/2979535> .