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经营范围
发明名称
Tear gas bullet
摘要
申请公布号
US2920566(A)
申请公布日期
1960.01.12
申请号
US19420430610
申请日期
1942.02.12
申请人
BARKER MAURICE E
发明人
BARKER MAURICE E.
分类号
F42B12/50
主分类号
F42B12/50
代理机构
代理人
主权项
地址
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