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发明名称
Improvements in torsion balances
摘要
申请公布号
GB330066(A)
申请公布日期
1930.06.05
申请号
GB19290011916
申请日期
1929.04.17
申请人
HERMAN SHAW;ERNEST LANCASTER-JONES
发明人
分类号
G01V7/10
主分类号
G01V7/10
代理机构
代理人
主权项
地址
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