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经营范围
发明名称
Rotor blade
摘要
申请公布号
GB613288(A)
申请公布日期
1948.11.24
申请号
GB19460018166
申请日期
1946.06.17
申请人
ROTARY RESEARCH CORPORATION
发明人
分类号
B64C27/473
主分类号
B64C27/473
代理机构
代理人
主权项
地址
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