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发明名称
TELEPHONE SUBSTATION EQUIPMENT
摘要
申请公布号
CA338912(A)
申请公布日期
1934.01.23
申请号
CAD338912
申请日期
申请人
THE WESTERN ELECTRIC COMPANY
发明人
KENNETH SIMONDS JOHNSON;HORACE TRENT BUDENBOM;JOHN WESLEY GOODERHAM
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