发明名称 |
Cathode ray tube |
摘要 |
|
申请公布号 |
US1995253(A) |
申请公布日期 |
1935.03.19 |
申请号 |
US19300419653 |
申请日期 |
1930.01.09 |
申请人 |
MAX KNOLL |
发明人 |
KNOLL MAX |
分类号 |
B67B7/12;H01J29/86 |
主分类号 |
B67B7/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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