发明名称 Improvements in electric torches
摘要 542,230. Battery lamps. RUNBAKEN, J. H. June 27, 1940, No. 10967. Drawings to Specification. [Class 39 (ii)] An electric torch or hand lamp comprises a lamp bulb, an accumulator, a transformer and a dry-contact rectifier, charging plugs and control switch, all within a casing constituting a selfcontained unit which when not used as a portable lamp can be plugged into the mains to recharge the accumulator. Specification 468,022 is referred to. Reference has been directed by the Comptroller to Specification 468,022.
申请公布号 GB542230(A) 申请公布日期 1941.12.31
申请号 GB19400010967 申请日期 1940.06.27
申请人 JULIAN HENRY RUNBAKEN 发明人
分类号 F21L4/00;F21V23/00 主分类号 F21L4/00
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