Improvements relating to electrical connectors, more particularly but not exclusively of radio valves, incandescent filament lamps and holders therefor
摘要
申请公布号
GB606054(A)
申请公布日期
1948.08.05
申请号
GB19460000810
申请日期
1946.01.09
申请人
JAMES LONGWORTH HIGSON;METROPOLITAN-VICKERS ELECTRICAL COMPANY LIMITED
