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发明名称
VERSCHLUSSEINRICHTUNG AN HAEHNEN, INSBESONDERE AN ABSPERR- UND DURCHFLUSSHAEHNEN.
摘要
申请公布号
DE1612706(U)
申请公布日期
1950.09.07
申请号
DE194800D3615U
申请日期
1948.10.01
申请人
GEBRUEDER RIEGER MASCHINENFABRIK
发明人
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主分类号
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