Statements (9)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:Welding_Standard
|
| gptkbp:appliesTo |
petroleum industry
welding |
| gptkbp:issuedBy |
gptkb:American_Petroleum_Institute
|
| gptkbp:purpose |
standardize welding procedures
|
| gptkbp:usedFor |
gptkb:oil_and_gas_industry
|
| gptkbp:bfsParent |
gptkb:American_Petroleum_Institute
|
| gptkbp:bfsLayer |
6
|
| http://www.w3.org/2000/01/rdf-schema#label |
API 2219
|