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发明名称
De-icing device for airscrews
摘要
申请公布号
GB523941(A)
申请公布日期
1940.07.25
申请号
GB19390001816
申请日期
1939.01.18
申请人
VEREINIGTE DEUTSCHE METALLWERKE AKTIENGESELLSCHAFT
发明人
分类号
B64D15/16
主分类号
B64D15/16
代理机构
代理人
主权项
地址
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