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经营范围
发明名称
Tube amplificateur
摘要
申请公布号
FR876330(A)
申请公布日期
1942.11.03
申请号
FRD876330
申请日期
1941.10.24
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
分类号
H01J21/02
主分类号
H01J21/02
代理机构
代理人
主权项
地址
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