About: http://webisa.webdatacommons.org/174596707

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	Also, the size of the light-transmissible hole 13 shown in the explanation of the above embodiment is an example, so that the present invention is not limited to the exemplified hole size.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com