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发明名称
Improvements in supporting devices for gas, electric and other lamps
摘要
申请公布号
GB392164(A)
申请公布日期
1933.05.08
申请号
GB19310027823
申请日期
1931.10.07
申请人
WALTER SLINGSBY;WILLIAM SMITH HANSON
发明人
分类号
F21V21/38
主分类号
F21V21/38
代理机构
代理人
主权项
地址
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