Sep 23, 2019-Monday

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Monday, Sep 23, 2019
news about Propellant tank
Jul 17, 2019 07:21
Helium is used in cryogenic engines that use oxygen and hydrogen as fuel, such as the Geosynchronous Satellite Launch Vehicle (GSLV) Mark III that will carry Chandrayaan-2, in pressuring the propellant tank to keep it from collapsing and to prevent the... read more