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发明名称
Light controlling device
摘要
申请公布号
US1955555(A)
申请公布日期
1934.04.17
申请号
US19320633242
申请日期
1932.09.15
申请人
MEKELBURG EARL F
发明人
MEKELBURG EARL F.
分类号
B60Q1/14
主分类号
B60Q1/14
代理机构
代理人
主权项
地址
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