Relationship to the PM's asset records, used to find the asset records for a given PM. (asset.assetnum = pm.assetnum). The resulting set will contain zero or one record.
Razmerje do zapisov sredstev za PV, ki se uporablja za iskanje zapisov sredstev za dani PV. (asset.assetnum = pm.assetnum). Nabor rezultatov bo vseboval nič zapisov ali enega samega.