"Co_participant" . "2005-06-30T12:17:26+02:00"^^ . . . "8397"^^ . "This is a second component that is installed alongside the primary Component or an individual performing the installation together with the Agent. The Hewlett Packard 5989A MS Engine was installed in 1991 together with the Hewlett Packard 5890 Series II Gas Chromatography (GC/MS)."@en . . . "cop" . . . . .