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经营范围
发明名称
Posemètre photographique comportant une source lumineuse de comparaison
摘要
申请公布号
FR837784(A)
申请公布日期
1939.02.20
申请号
FRD837784
申请日期
1938.05.10
申请人
ERNST LEITZ G.M.B.H.
发明人
分类号
G01J1/22
主分类号
G01J1/22
代理机构
代理人
主权项
地址
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