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经营范围
发明名称
Improved hollow propeller blade
摘要
申请公布号
GB792258(A)
申请公布日期
1958.03.26
申请号
GB19560016407
申请日期
1956.05.28
申请人
GENERAL MOTORS CORPORATION
发明人
分类号
B64C11/24
主分类号
B64C11/24
代理机构
代理人
主权项
地址
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