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发明名称
Tension reel for lighting fixtures
摘要
申请公布号
US2756945(A)
申请公布日期
1956.07.31
申请号
US19550501621
申请日期
1955.04.15
申请人
NATHAN ROBBOY
发明人
ROBBOY NATHAN
分类号
F21V21/18
主分类号
F21V21/18
代理机构
代理人
主权项
地址
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