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发明名称
VENTILATOR MIT KREISENDEM PROPELLER.
摘要
申请公布号
DE1624508(U)
申请公布日期
1951.06.21
申请号
DE195000W2497U
申请日期
1950.12.27
申请人
MARTIN WALTER
发明人
MARTIN WALTER
分类号
主分类号
代理机构
代理人
主权项
地址
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