STAMPS AND PHILATELY (POSTAL SERVICES)
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BTPOSTAL SERVICES (TRANSPORTATION AND TRAFFIC)
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UDC656.835
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Descriptor GERBRIEFMARKEN UND PHILATELIE (POSTDIENSTE)
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Descriptor ENGSTAMPS AND PHILATELY (POSTAL SERVICES)
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Descriptor FRETIMBRES ET PHILATÉLIE (SERVICES POSTAUX)
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NTSTAMPS (POSTAL SERVICES)
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NTPHILATELY + STAMP COLLECTIONS (POSTAL SERVICES)