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发明名称
Photowiderstands-Belichtungsmesser
摘要
申请公布号
CH450901(A)
申请公布日期
1968.05.15
申请号
CH19670011053
申请日期
1967.08.04
申请人
ROLLEI-WERKE, FRANKE & HEIDECKE
发明人
WAASKE,HEINZ
分类号
G03B7/06;(IPC1-7):G03B7/08
主分类号
G03B7/06
代理机构
代理人
主权项
地址
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