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发明名称
Schaufelrad mit beweglichen Schaufeln fuer Schiffsantrieb
摘要
申请公布号
DE911816(C)
申请公布日期
1954.05.20
申请号
DE1952B019326
申请日期
1952.03.04
申请人
FA. EWALD BERNINGHAUS
发明人
BERNEISER ANTON
分类号
B63H1/04
主分类号
B63H1/04
代理机构
代理人
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