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发明名称
Lighting fixture hanger
摘要
申请公布号
US2164527(A)
申请公布日期
1939.07.04
申请号
US19380227631
申请日期
1938.08.31
申请人
WILLIAM KNAPP
发明人
KNAPP WILLIAM
分类号
F21S8/06
主分类号
F21S8/06
代理机构
代理人
主权项
地址
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