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发明名称
Electrographitic brush
摘要
申请公布号
US2216493(A)
申请公布日期
1940.10.01
申请号
US19390267331
申请日期
1939.04.11
申请人
STACKPOLE CARBON COMPANY
发明人
KIEFER EDWIN F.
分类号
H01R39/22
主分类号
H01R39/22
代理机构
代理人
主权项
地址
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