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发明名称
DIFFUSER FOR A BLOWER
摘要
申请公布号
US3450339(A)
申请公布日期
1969.06.17
申请号
USD3450339
申请日期
1967.06.08
申请人
COPPUS ENG. CORP.
发明人
DAVID R. GEOFFROY
分类号
F04D29/54;F04D29/56;(IPC1-7):F04D29/56
主分类号
F04D29/54
代理机构
代理人
主权项
地址
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