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经营范围
发明名称
Light reflector
摘要
申请公布号
US1747283(A)
申请公布日期
1930.02.18
申请号
US19280305218
申请日期
1928.09.11
申请人
BEAN LOUIS A
发明人
BEAN LOUIS A.
分类号
F21V7/04
主分类号
F21V7/04
代理机构
代理人
主权项
地址
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