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发明名称
Improvements in or relating to fans and blades therefor
摘要
申请公布号
GB1067452(A)
申请公布日期
1967.05.03
申请号
GB19630020190
申请日期
1963.05.21
申请人
LEONARD GORDON DAVIES
发明人
分类号
B23P15/02
主分类号
B23P15/02
代理机构
代理人
主权项
地址
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