发明名称 |
Pyrotechnic article |
摘要 |
|
申请公布号 |
US1749814(A) |
申请公布日期 |
1930.03.11 |
申请号 |
US19280256772 |
申请日期 |
1928.02.24 |
申请人 |
HAMILTON FRANK S |
发明人 |
HAMILTON FRANK S. |
分类号 |
F42B4/00 |
主分类号 |
F42B4/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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