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发明名称
Improvements in gas-checks for breech-loading firearms
摘要
申请公布号
GB466811(A)
申请公布日期
1937.06.07
申请号
GB19350033804
申请日期
1935.12.05
申请人
JAROSLAV HASEK
发明人
分类号
F41A3/74
主分类号
F41A3/74
代理机构
代理人
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