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发明名称
TELEPHONE REPEATER
摘要
申请公布号
CA356962(A)
申请公布日期
1936.03.31
申请号
CAD356962
申请日期
申请人
THE WESTERN ELECTRIC COMPANY
发明人
DOREN MITCHELL;LEONARD GLADSTONE ABRAHAM
分类号
主分类号
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代理人
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