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发明名称
Lamp height adaptor
摘要
申请公布号
US3015025(A)
申请公布日期
1961.12.26
申请号
US19570648314
申请日期
1957.03.25
申请人
WILLIAMS EVAN T
发明人
WILLIAMS EVAN T.
分类号
F21V19/02;F21V21/12
主分类号
F21V19/02
代理机构
代理人
主权项
地址
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