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发明名称
Method of carbonizing electrodes
摘要
申请公布号
US2305478(A)
申请公布日期
1942.12.15
申请号
US19400350155
申请日期
1940.08.02
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
KERN EMERSON W.
分类号
H01J19/00
主分类号
H01J19/00
代理机构
代理人
主权项
地址
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