About: http://webisa.webdatacommons.org/442886129

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	Surplus Sensitivity: ??? 60dB 200mm diameter 2 flat-bottom holeApplicationSuitable for different users at home and abroad on the forging, welding, steel parts, aircraft parts and other workpieces testing.
http://www.w3.org/ns/prov#wasQuotedFrom	alibaba.com