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发明名称
BAUELEMENTE FUER EINE KLAERGRUBE IN RUND-OVALER FORM MIT DREIKAMMERSYSTEM.
摘要
申请公布号
DE1626028(U)
申请公布日期
1951.07.26
申请号
DE195100M4512U
申请日期
1951.05.29
申请人
FRIEDRICH MARGRAF
发明人
FRIEDRICH MARGRAF
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主分类号
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