vocabulary.dcterms:description descriptions of the classes and properties @en
rdfs:comment List of the possible vector groups for the, connected, and the numbers describe the rotation of, side in multiples of 30 degrees. D: means that @en
vocabulary.dcterms:description descriptions of the classes and properties @en
rdfs:comment The method of valve operation where: DROPWEIGHT,: A valve that is closed by the action of a weighted,, the closure normally being made by the action of@en