发明授权
US08397383B2 Annular gas turbine engine case and method of manufacturing 有权
环形燃气涡轮发动机外壳及其制造方法

Annular gas turbine engine case and method of manufacturing
摘要:
The method is used for making an annular gas turbine engine case from a preform. The method comprises comprising flowforming at least one section of the preform, and then outwardly bending at least one portion of the perform.
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