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发明名称
Periscope
摘要
申请公布号
US2507935(A)
申请公布日期
1950.05.16
申请号
US19480034162
申请日期
1948.06.21
申请人
RICHMOND STANLEY M
发明人
RICHMOND STANLEY M.
分类号
G02B23/24
主分类号
G02B23/24
代理机构
代理人
主权项
地址
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