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经营范围
发明名称
Improvements in or relating to targets
摘要
申请公布号
GB536198(A)
申请公布日期
1941.05.06
申请号
GB19400013724
申请日期
1940.09.02
申请人
PERCY HOBSON
发明人
分类号
F41J1/01
主分类号
F41J1/01
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代理人
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