http://AATesaurus.cultura.gencat.cat/aat/getty_enhttp://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31466623specifications http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31466623 contract documents BT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31466623 proprietary specifications NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31466623 product specifications NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31466623 preliminary specifications NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31466623 performance specifications NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31466623 outline specifications NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31466623 or-equal specifications NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31466623 master specifications NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31466623 commercial specifications NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31466623 closed specifications NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31466623 base bid specifications NT http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31466623 specification UF http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31466623 specs UF