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Spacecraft
Kosmos 521
Facts
LaunchSeptember 29, 1972
ManufacturerPivdenne Design Office
Launch vehicleKosmos-3M
COSPAR ID1972-074A
TypeDS-P1-M
Sources: Wikidata (CC0) · Wikidata Q53589
Sources: Wikidata (CC0) · Wikidata Q53589