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发明名称
Breech closure for guns
摘要
申请公布号
US2251304(A)
申请公布日期
1941.08.05
申请号
US19390284254
申请日期
1939.07.13
申请人
WILLIAM SUMMERBELL
发明人
SUMMERBELL WILLIAM
分类号
F41A3/12;F41A19/28
主分类号
F41A3/12
代理机构
代理人
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地址
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