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发明名称
KLAPPFALLNEST FUER GEFLUEGEL, INSBESONDERE FUER HUEHNER.
摘要
申请公布号
DE1797499(U)
申请公布日期
1959.10.08
申请号
DE195900E2923U
申请日期
1959.08.01
申请人
DIPL.-ING. W. EHRET G.M.B.H.
发明人
分类号
主分类号
代理机构
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