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发明名称
SCHALLGEDAEMPFTER ZENTRIFUGALVENTILATOR.
摘要
申请公布号
DE1950705(U)
申请公布日期
1966.12.01
申请号
DE196600J5326U
申请日期
1966.07.15
申请人
IGW WITT & SOHN
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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