发明名称 |
Radiation counter |
摘要 |
|
申请公布号 |
US2551531(A) |
申请公布日期 |
1951.05.01 |
申请号 |
US19470759526 |
申请日期 |
1947.07.08 |
申请人 |
FREEDMAN MELVIN S |
发明人 |
FREEDMAN MELVIN S. |
分类号 |
H01J47/00 |
主分类号 |
H01J47/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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