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发明名称
Belüftungseinrichtung für eine feinblasige Belüftung von insbesondere Abwasser
摘要
申请公布号
AT200516(B)
申请公布日期
1958.11.10
申请号
ATD200516
申请日期
1957.05.08
申请人
PASSAVANT-WERKE
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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