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发明名称
Apparatus for sighting and controlling guns
摘要
申请公布号
US1979155(A)
申请公布日期
1934.10.30
申请号
US19300428177
申请日期
1930.02.13
申请人
BLACKLOCK HENDERSON JAMES;LEONARD PERHAM ARTHUR
发明人
HENDERSON JAMES BLACKLOCK;PERHAM ARTHUR LEONARD
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主分类号
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