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经营范围
发明名称
Improvements in and connected with gauge glasses
摘要
申请公布号
GB407063(A)
申请公布日期
1934.03.12
申请号
GB19320022437
申请日期
1932.08.10
申请人
SYDNEY FRANK WESTON
发明人
分类号
G01F23/02
主分类号
G01F23/02
代理机构
代理人
主权项
地址
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