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经营范围
发明名称
Improvements in or relating to azimuth rings and like instruments
摘要
申请公布号
GB440458(A)
申请公布日期
1935.12.31
申请号
GB19350001270
申请日期
1935.01.14
申请人
BURTON MORTIMER GREEN
发明人
分类号
G01C17/00
主分类号
G01C17/00
代理机构
代理人
主权项
地址
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