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发明名称
DAY-NIGHT OPTICAL VIEWING DEVICE
摘要
申请公布号
US3464757(A)
申请公布日期
1969.09.02
申请号
USD3464757
申请日期
1965.10.22
申请人
ERNST LEITZ GMBH.
发明人
HORST SCHMIDT;HELLMUT BOHMER
分类号
G02B23/12;(IPC1-7):G02B13/14
主分类号
G02B23/12
代理机构
代理人
主权项
地址
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