| 摘要 |
PROBLEM TO BE SOLVED: To provide an unitized (enlarged) propellant without changing burning characteristics of the propellant. SOLUTION: In this propellant unit formed by axially aligning two or more columnar propellants and connecting them by a connecting means, the propellant has one or more axially penetrated pores and secures voids among the connected propellants. COPYRIGHT: (C)2006,JPO&NCIPI
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