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发明名称
Lighting appliance
摘要
申请公布号
US1820899(A)
申请公布日期
1931.08.25
申请号
US19240705568
申请日期
1924.04.10
申请人
HALLOCK GREENEWALT MARY
发明人
GREENEWALT MARY HALLOCK
分类号
F21S10/00;F21S10/02;F21V7/09
主分类号
F21S10/00
代理机构
代理人
主权项
地址
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