<http://webisa.webdatacommons.org/prov/455081284> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/326973701> . <http://webisa.webdatacommons.org/326973701> <http://www.w3.org/ns/prov#value> "Then, materials a and b to be tied up such as props and canes are inserted through the annular member 1, as shown in FIG. 2, and the ribs 6 and 6' are pushed in the direction of closing up the annular member 1." . <http://webisa.webdatacommons.org/326973701> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.com.au> . <http://webisa.webdatacommons.org/prov/477141024> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/326973701> . <http://webisa.webdatacommons.org/prov/456669825> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/326973701> . <http://webisa.webdatacommons.org/326973701> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/prov/171575978> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/326973701> .