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发明名称
Mandrin pour dispositifs à décharge d'électrons
摘要
申请公布号
FR949559(A)
申请公布日期
1949.09.02
申请号
FRD949559
申请日期
1947.07.16
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
分类号
H01J9/04
主分类号
H01J9/04
代理机构
代理人
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地址
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