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发明名称
VORLAGE ZUR VERHUETUNG DES ANSAUGENS EINES BRENNBAREN MITTELS BEI VAKUUMPUMPEN
摘要
申请公布号
DE6911690(U)
申请公布日期
1969.08.07
申请号
DE19690011690U
申请日期
1969.03.21
申请人
FELTEN & GUILLEAUME KABELWERKE AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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