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发明名称
Improvements in or relating to optical comparators
摘要
申请公布号
GB361514(A)
申请公布日期
1931.11.26
申请号
GB19300029848
申请日期
1930.10.06
申请人
ROBERT CONACHER MALCOLM
发明人
分类号
G01C11/08
主分类号
G01C11/08
代理机构
代理人
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