. . _:vb15513 . "2021-08-08"^^ . "GSM-R version"@en . _:vb15365 . "1.1.1.3.3.1" . _:vb14991 . _:vb15513 _:vb15365 . _:vb15365 . "2021-09-12"^^ . "CRG_Version" . "stable" . _:vb14991 . . _:vb14992 . "4.13.2.1" . . "1.2.1.1.2.1" . . _:vb14992 _:vb15513 . _:vb14991 _:vb14992 . "GSM-R functional requirements specification and system requirements specification in accordance with the specification respectively referenced in Appendix A-1, index [E] and index [F], version number installed lineside."@en .