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发明名称
Improvements in shot-gun cartridges
摘要
申请公布号
GB389211(A)
申请公布日期
1933.03.16
申请号
GB19310035524
申请日期
1931.12.23
申请人
WALTER EDWARDS
发明人
分类号
F42B7/04
主分类号
F42B7/04
代理机构
代理人
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