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发明名称
DOPPELSEITIG WIRKENDES UEBERDRUCKVENTIL FUER ENTLUEFTUNGSLEITUNGEN VON LUFTSCHUTZRAEUMEN.
摘要
申请公布号
DE1875010(U)
申请公布日期
1963.07.04
申请号
DE196300G7646U
申请日期
1963.03.30
申请人
PAUL GARTHE K.G.
发明人
分类号
主分类号
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