About: http://webisa.webdatacommons.org/103628355

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 airtight connection???using a securing means such as welding or the like???is provided between the mounting holes 4 a, 4 b and the outer pipes 1 o, 1 o.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es