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经营范围
发明名称
Improvements in or relating to lamp fittings
摘要
申请公布号
GB850829(A)
申请公布日期
1960.10.05
申请号
GB19570033625
申请日期
1957.10.28
申请人
"HALA" NEDERLANDSCHE LAMPENFABRIEK N.V.
发明人
分类号
F21V1/00
主分类号
F21V1/00
代理机构
代理人
主权项
地址
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