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发明名称
WASSERVERSCHLUESSE, INSBESONDERE SCHLEUSENTORE MIT DURCHFLUSSOEFFNUNG.
摘要
申请公布号
DE1701698(U)
申请公布日期
1955.06.30
申请号
DE195500D9905U
申请日期
1955.02.24
申请人
DORTMUNDER UNION BRUECKENBAU AKTIENGESELLSCHAFT
发明人
分类号
主分类号
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代理人
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