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发明名称
Luftleitung zur Verbindung der Luftglocken zweier schwimmender Schleusentroege
摘要
申请公布号
DE810732(C)
申请公布日期
1951.08.13
申请号
DE1949P045991
申请日期
1949.06.16
申请人
OSKAR WALZ
发明人
ROTHMUND LEOPOLD
分类号
E02C1/04
主分类号
E02C1/04
代理机构
代理人
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地址
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