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经营范围
发明名称
Improvements in or relating to protective guards for rotary fans
摘要
申请公布号
GB661691(A)
申请公布日期
1951.11.28
申请号
GB19490006162
申请日期
1949.03.07
申请人
AUBREY LAWRENCE COLLINS
发明人
分类号
F04D29/70
主分类号
F04D29/70
代理机构
代理人
主权项
地址
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