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发明名称
Rueckschlagsperre fuer handbetaetigte Schiffsruder
摘要
申请公布号
DE1053341(B)
申请公布日期
1959.03.19
申请号
DE1957V013020
申请日期
1957.08.29
申请人
VEB SCHIFFBAU PROJEKT- UND KONSTRUKTIONSBUERO
发明人
KNOCH JOHANNES
分类号
B63H25/34
主分类号
B63H25/34
代理机构
代理人
主权项
地址
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