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发明名称
Belichtungsmesser
摘要
申请公布号
DE1547188(A1)
申请公布日期
1969.10.23
申请号
DE19661547188
申请日期
1966.12.14
申请人
BERKEY PHOTO INC.
发明人
L. WEISGLASS,LOUIS
分类号
G01J1/46;G01R29/00
主分类号
G01J1/46
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