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发明名称
Fotografische belichtingsmeter
摘要
申请公布号
BE617861(A2)
申请公布日期
1962.11.21
申请号
BE19620617861
申请日期
1962.05.21
申请人
PAKO CORPORATION
发明人
ROY ARTHUR CLAPP
分类号
G03B27/80;(IPC1-7):G01J;G03D
主分类号
G03B27/80
代理机构
代理人
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