bn:03704907n
Noun Concept
Categories: Rocket engines using hydrogen propellant, Space program of France, Spacecraft propulsion
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HM7B  HM-7B  HM7  HM7-A  HM7-B
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The HM7B was a European cryogenic upper stage rocket engine used on the vehicles in the Ariane rocket family. Wikipedia
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The HM7B was a European cryogenic upper stage rocket engine used on the vehicles in the Ariane rocket family. Wikipedia
European rocket engine Wikidata
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