About: http://webisa.webdatacommons.org/146749968

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	However, these techniques have proven unsatisfactory due to a number of disadvantages, limitations and shortcomings such as excessive size and weight, and the need for improved performance at low mechanical vibration frequencies.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com