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经营范围
发明名称
Fernmeldeanlage.
摘要
申请公布号
CH198277(A)
申请公布日期
1938.06.15
申请号
CHD198277
申请日期
1935.06.25
申请人
BELL TELEPHONE MANUFACTURING COMPANY, SOCIETE ANONYME
发明人
BELL TELEPHONE MANUFACTURING COMPANY, SOCIETE ANONYME
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