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发明名称
Improvements relating to fittings for tubular electric lamps
摘要
申请公布号
GB617643(A)
申请公布日期
1949.02.09
申请号
GB19460028978
申请日期
1946.09.27
申请人
SIEMENS ELECTRIC LAMPS AND SUPPLIES LIMITED;RICHARD WILLIAM STEVENS
发明人
分类号
F21V21/00
主分类号
F21V21/00
代理机构
代理人
主权项
地址
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