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发明名称
Improved method of and means for balancing airscrews
摘要
申请公布号
GB538698(A)
申请公布日期
1941.08.13
申请号
GB19400007710
申请日期
1940.04.30
申请人
F. HILLS & SONS LIMITED;NORMAN SYKES
发明人
分类号
B64C11/00;G01M1/12
主分类号
B64C11/00
代理机构
代理人
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