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发明名称
Supports pour tubes à vide
摘要
申请公布号
FR941199(A)
申请公布日期
1949.01.04
申请号
FRD941199
申请日期
1946.03.27
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
HOFFMAN ROSS B.
分类号
H01J19/36
主分类号
H01J19/36
代理机构
代理人
主权项
地址
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