IEC IETF ISO LonTalk DMTF PNAIS AACR2 Standardization Orthotist NCUTCD USPAP ASTM Pharmacopoeial ETSI 3GPP XPAK Finescale tolerancing Pittas SMPTE 15924 CCSDS GQp992Qp1 Standards GARP X12 VQp42bis CERTIFIED interoperability HGNC XHTML NMRA CEN AIAG IEEE portlets metadata 11179 TBG5