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经营范围
发明名称
Propeller mit verstellbaren Fluegeln
摘要
申请公布号
DE475461(C)
申请公布日期
1930.04.16
申请号
DE1927H113852D
申请日期
1927.11.13
申请人
JAKOB HAW
发明人
分类号
B64C11/36
主分类号
B64C11/36
代理机构
代理人
主权项
地址
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