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发明名称
Umluftsichter
摘要
申请公布号
AT300692(B)
申请公布日期
1972.08.10
申请号
AT19700001623
申请日期
1970.02.23
申请人
PAUL BERNUTAT
发明人
PAUL BERNUTAT
分类号
B04C9/00;B07B7/083;(IPC1-7):B07B3/00
主分类号
B04C9/00
代理机构
代理人
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地址
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