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1.发明授权Hollow blading with means to supply fluid thereinto for turbines or compressors 失效用于为涡轮或压缩机供应流体的装置的空心叶片
公开(公告)号：US2847185A
公开(公告)日：1958-08-12
申请号：US41947654
申请日：1954-03-29
Applicant: ROLLS ROYCE
Inventor： ALEXANDER PETRIE JAMES , WILLIAM ROBEY CHARLES
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