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发明名称
Spring-loaded clamps
摘要
申请公布号
US2980977(A)
申请公布日期
1961.04.25
申请号
US19570702927
申请日期
1957.12.16
申请人
STADIUM LIMITED
发明人
HEFFORD CHARLES G.
分类号
F21V21/08;F21V21/088
主分类号
F21V21/08
代理机构
代理人
主权项
地址
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