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经营范围
发明名称
Combination distance meter and telescope range finder
摘要
申请公布号
US1992534(A)
申请公布日期
1935.02.26
申请号
US19340705493
申请日期
1934.01.06
申请人
ERNST LEITZ, OPTISCHE WERKE, G. M. B. H.
发明人
JR. ERNST LEITZ,
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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