About: http://webisa.webdatacommons.org/86647475

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	Perforation gauge A scale printed or designed on metal, transparent or opaque plastic, cardboard or other material to measure the number of perforation holes or teeth within the space of 2 centimeters.
http://www.w3.org/ns/prov#wasQuotedFrom	arpinphilately.com