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经营范围
发明名称
Firecracker cannon
摘要
申请公布号
US2298609(A)
申请公布日期
1942.10.13
申请号
US19400341704
申请日期
1940.06.21
申请人
BONEWITZ EVERETT D
发明人
BONEWITZ EVERETT D.
分类号
F42B4/22
主分类号
F42B4/22
代理机构
代理人
主权项
地址
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