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发明名称
Process for interrupting connections in vacuum valves
摘要
申请公布号
US1924266(A)
申请公布日期
1933.08.29
申请号
US19280314671
申请日期
1928.10.24
申请人
BRUNO WIENECKE
发明人
WIENECKE BRUNO
分类号
H01J7/18;H01J9/38;H01J9/385
主分类号
H01J7/18
代理机构
代理人
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地址
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