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经营范围
发明名称
Improvements in or relating to hand-wind-gauge
摘要
申请公布号
GB366833(A)
申请公布日期
1932.02.11
申请号
GB19310015000
申请日期
1931.05.21
申请人
CARL JOHAN OESTMAN
发明人
分类号
G01P5/06
主分类号
G01P5/06
代理机构
代理人
主权项
地址
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