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发明名称
VENTILDICHTUNG.
摘要
申请公布号
DE1700938(U)
申请公布日期
1955.06.23
申请号
DE195500F9397U
申请日期
1955.03.31
申请人
ALFRED FISCHBACH
发明人
ALFRED FISCHBACH
分类号
主分类号
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