About: http://webisa.webdatacommons.org/383048219

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	An optical recording and reproducing apparatus according to claim 1, further including a housing for mounting said first light source means and said second light source means.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com