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发明名称
Metallene Schutzkante fuer Holzluftschrauben
摘要
申请公布号
DE744979(C)
申请公布日期
1944.02.21
申请号
DE1933R088772D
申请日期
1933.09.15
申请人
DR. FRITZ HUTH
发明人
分类号
B64C11/20
主分类号
B64C11/20
代理机构
代理人
主权项
地址
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