发明名称 |
Electrical equipment |
摘要 |
|
申请公布号 |
US2511131(A) |
申请公布日期 |
1950.06.13 |
申请号 |
US19470768533 |
申请日期 |
1947.08.14 |
申请人 |
KARTAR SINGH WILLIAM |
发明人 |
SINGH WILLIAM KARTAR |
分类号 |
H01F30/14 |
主分类号 |
H01F30/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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