发明名称 |
Tracer bullet |
摘要 |
|
申请公布号 |
US2381474(A) |
申请公布日期 |
1945.08.07 |
申请号 |
US19420451193 |
申请日期 |
1942.07.16 |
申请人 |
TURNBULL NORMAN K |
发明人 |
TURNBULL NORMAN K. |
分类号 |
F42B12/38 |
主分类号 |
F42B12/38 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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