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发明名称
Improvements in the manufacture of gun barrels
摘要
申请公布号
GB574010(A)
申请公布日期
1945.12.18
申请号
GB19410009881
申请日期
1941.08.02
申请人
LEWIS MOTLEY
发明人
分类号
B21C37/15;F41A21/16
主分类号
B21C37/15
代理机构
代理人
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