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发明名称
Improvements in and relating to moving targets
摘要
申请公布号
GB533857(A)
申请公布日期
1941.02.21
申请号
GB19390029786
申请日期
1939.11.10
申请人
PERCY HOBSON
发明人
分类号
F41J9/02
主分类号
F41J9/02
代理机构
代理人
主权项
地址
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