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发明名称
LUFTMENGEN-MESSGERAET ZUR UEBERPRUEFUNG VON HAEUSLICHEN LUEFTUNGSANLAGEN
摘要
申请公布号
DE7221941(U)
申请公布日期
1972.09.21
申请号
DE19720021941U
申请日期
1972.06.12
申请人
WOEHLER H
发明人
分类号
主分类号
代理机构
代理人
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