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经营范围
发明名称
Schraubenpropeller, insbesondere fuer Schiffsantrieb
摘要
申请公布号
DE902468(C)
申请公布日期
1954.01.21
申请号
DE1949P002607
申请日期
1949.04.15
申请人
GUSTAV DOBBERKAU
发明人
分类号
B63H1/12
主分类号
B63H1/12
代理机构
代理人
主权项
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