SERVICE CLASSES (POSTAL SERVICE)
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BTPOSTAL SERVICES (TRANSPORTATION AND TRAFFIC)
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UDC656.88
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Descriptor GERDIENSTZWEIGE (POSTDIENSTE)
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Descriptor ENGSERVICE CLASSES (POSTAL SERVICE)
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Descriptor FREDIVISIONS (SERVICES POSTAUX)
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NTPARCEL POST SERVICE (POSTAL SERVICE)
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NTPOSTAL CHEQUE SERVICE (POSTAL SERVICES)
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NTPOST BUS SERVICE (POSTAL SERVICES)