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发明名称
Einrichtung zur Veränderung der Ausgleichswirkung der Gegengewichte von Hubbrücken, Wehrverschlüssen, Schleusentoren u. ähnl. Bauwerken
摘要
申请公布号
AT191456(B)
申请公布日期
1957.08.26
申请号
ATD191456
申请日期
1956.01.10
申请人
DORTMUNDER UNION BRUECKENBAU-AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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