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发明名称
VENTIL FUER UNTER HOEHEREM DRUCK STEHENDE AGGRESSIVE ODER EMPFINDLICHE MEDIEN.
摘要
申请公布号
DE6916692(U)
申请公布日期
1969.10.23
申请号
DE19690016692U
申请日期
1969.04.24
申请人
HERREN HORST PFEIFFER;HERBERT PAETZEL
发明人
HERREN HORST PFEIFFER;HERBERT PAETZEL
分类号
主分类号
代理机构
代理人
主权项
地址
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