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发明名称
Range finder
摘要
申请公布号
US2303767(A)
申请公布日期
1942.12.01
申请号
US19410413084
申请日期
1941.10.01
申请人
SIMMON BROTHERS INC.
发明人
SIMMON ALFRED
分类号
G03B13/20
主分类号
G03B13/20
代理机构
代理人
主权项
地址
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