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发明名称
Keyhole illuminator
摘要
申请公布号
US2304690(A)
申请公布日期
1942.12.08
申请号
US19410408099
申请日期
1941.08.23
申请人
HERDER CHARLES W
发明人
HERDER CHARLES W.
分类号
E05B17/10
主分类号
E05B17/10
代理机构
代理人
主权项
地址
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