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发明名称
Improvements in or relating to projectiles
摘要
申请公布号
GB577033(A)
申请公布日期
1946.05.02
申请号
GB19390032469
申请日期
1939.12.18
申请人
FREDERIC LLOYD;IBBOTSON BROTHERS AND COMPANY LIMITED
发明人
分类号
C21D9/16
主分类号
C21D9/16
代理机构
代理人
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地址
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