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发明名称
FLUID-FLOW MACHINE BLADE,ESPECIALLY FOR VENTILATOR OR PUMP
摘要
申请公布号
PL109433(B1)
申请公布日期
1980.05.31
申请号
PL19740175552
申请日期
1974.11.12
申请人
发明人
分类号
B64C11/26;B64C27/46;F04D29/38;(IPC1-7):F04D29/38
主分类号
B64C11/26
代理机构
代理人
主权项
地址
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