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发明名称
Fernmeldeanlage.
摘要
申请公布号
CH164687(A)
申请公布日期
1933.10.15
申请号
CHD164687
申请日期
1932.08.10
申请人
BELL TELEPHONE MANUFACTURING CO. S. A.
发明人
BELL TELEPHONE MANUFACTURING CO. S. A.
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