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发明名称
Fan or blower construction
摘要
申请公布号
US2131691(A)
申请公布日期
1938.09.27
申请号
US19370165097
申请日期
1937.09.22
申请人
PARKES BERTRAND A;PARKES RALPH C
发明人
PARKES BERTRAND A.;PARKES RALPH C.
分类号
F04D25/02
主分类号
F04D25/02
代理机构
代理人
主权项
地址
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