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发明名称
ABSPERRVENTIL, INSBESONDERE KANALABSPERRVENTIL.
摘要
申请公布号
DE1698374(U)
申请公布日期
1955.05.12
申请号
DE195500M7779U
申请日期
1955.02.14
申请人
METALLWERKE OTTO DINGERKUS K.G.
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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