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发明名称
Apparatus for shaping fan blades
摘要
申请公布号
US2522683(A)
申请公布日期
1950.09.19
申请号
US19460693203
申请日期
1946.08.27
申请人
L. J. WING MANUFACTURING CO.
发明人
LURCOTT WINFRED N.
分类号
B21D53/78
主分类号
B21D53/78
代理机构
代理人
主权项
地址
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