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经营范围
发明名称
Schirmgitterroehre
摘要
申请公布号
DE878249(C)
申请公布日期
1953.06.01
申请号
DE1936S007234D
申请日期
1936.12.11
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
JACOBI WERNER DR. PHIL.
分类号
H03F1/08
主分类号
H03F1/08
代理机构
代理人
主权项
地址
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