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发明名称
WASSERGEHALTSBESTIMMUNGSAPPARAT.
摘要
申请公布号
DE1620791(U)
申请公布日期
1951.03.08
申请号
DE195000R1876U
申请日期
1950.11.10
申请人
DR.-ING. HELLMUT RUMM
发明人
DR.-ING. HELLMUT RUMM
分类号
主分类号
代理机构
代理人
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