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发明名称
MERCURY VAPOUR LAMP APPARATUS
摘要
申请公布号
CA335516(A)
申请公布日期
1933.09.12
申请号
CAD335516
申请日期
申请人
BENJAMIN JAMES HALL
发明人
BENJAMIN JAMES HALL
分类号
主分类号
代理机构
代理人
主权项
地址
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