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发明名称
Drive means for helicopter rotary blade systems
摘要
申请公布号
US2957526(A)
申请公布日期
1960.10.25
申请号
US19560596558
申请日期
1956.07.09
申请人
BOLKOW ENTWICKLUNGEN K. G.
发明人
DERSCHMIDT HANS
分类号
B64C27/54
主分类号
B64C27/54
代理机构
代理人
主权项
地址
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