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发明名称
SWITCHING DEVICE
摘要
申请公布号
CA453734(A)
申请公布日期
1948.12.28
申请号
CAD453734
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED;BELL TELEPHONE LABORATORIES
发明人
MAURICE WARD LANE;LELAND ALBERT BARTELHEIM;RUDOLPH FREDERICK MALLINA
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