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| German | English |
| Bundesamt für Zulassungen in der Telekommunikation | Federal German Approvals Office for Telecommunications (from 1992, formerly ZZF, now part of BAPT) |
| Zentralamt für Zulassungen im Fernmeldewesen | Central Approval Office for Telecommunications (corresponds to BABT in GB; till 1992, now BZT, q.v.) |
| Zentralamt für Zulassungen im Fernmeldewesen | DTAG Central Approval Office for Telecommunications (corresponds to BABT in GB) |
| Zulassung privater Apparate | approval of private equipment |
| Zulassung von WPV | admission to the UPU |