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发明名称
ROOF VENTILATOR
摘要
申请公布号
EP0454900(A3)
申请公布日期
1992.12.02
申请号
EP19900122790
申请日期
1990.11.29
申请人
KLOEBER, JOHANNES
发明人
HOLTGREVE, JOHANNES
分类号
E04D1/30;E04D13/14;E04D13/147;(IPC1-7):E04D1/30
主分类号
E04D1/30
代理机构
代理人
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地址
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