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发明名称
Street lamp cable securing device
摘要
申请公布号
US1871023(A)
申请公布日期
1932.08.09
申请号
US19320590148
申请日期
1932.02.01
申请人
发明人
ANKLAM OTTO
分类号
F21V21/38
主分类号
F21V21/38
代理机构
代理人
主权项
地址
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