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经营范围
发明名称
Leistungsverstärkeranlage.
摘要
申请公布号
CH237102(A)
申请公布日期
1945.03.31
申请号
CHD237102
申请日期
1937.03.02
申请人
BELL TELEPHONE MANUFACTURING COMPANY, SOCIETE ANONYME
发明人
BELL TELEPHONE MANUFACTURING COMPANY, SOCIETE ANONYME
分类号
H03F1/06;H03F1/07
主分类号
H03F1/06
代理机构
代理人
主权项
地址
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