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经营范围
发明名称
Belichtungsmesser
摘要
申请公布号
DE747599(C)
申请公布日期
1951.08.02
申请号
DE1938L096391D
申请日期
1938.11.30
申请人
CONRAD LANGE
发明人
LANGE CONRAD
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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