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经营范围
发明名称
Spot lamp
摘要
申请公布号
GB561064(A)
申请公布日期
1944.05.03
申请号
GB19420015148
申请日期
1942.10.28
申请人
ELMER CLARK RICHARDSON
发明人
分类号
G03B15/02
主分类号
G03B15/02
代理机构
代理人
主权项
地址
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