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发明名称
Improvements in or relating to the manufacture of hollow airscrew blades
摘要
申请公布号
GB437692(A)
申请公布日期
1935.11.04
申请号
GB19340027227
申请日期
1934.09.21
申请人
THE BRISTOL AEROPLANE COMPANY LIMITED;ALFRED HUBERT ROY FEDDEN;FRANK MORGAN OWNER
发明人
分类号
B21D53/78
主分类号
B21D53/78
代理机构
代理人
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