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发明名称
Improvements in or relating to photometric or like apparatus
摘要
申请公布号
GB369845(A)
申请公布日期
1932.03.31
申请号
GB19310020664
申请日期
1931.07.20
申请人
CARL ZEISS
发明人
分类号
G01J1/22
主分类号
G01J1/22
代理机构
代理人
主权项
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