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发明名称
ABSPERRVENTIL FUER UNTER NIEDRIGEM DRUCK STEHENDE FLUESSIGKEITEN.
摘要
申请公布号
DE1884530(U)
申请公布日期
1963.12.12
申请号
DE196100N2184U
申请日期
1961.02.07
申请人
DR. ALFRED NEFF
发明人
DR. ALFRED NEFF
分类号
主分类号
代理机构
代理人
主权项
地址
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