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发明名称
Torsion balance
摘要
申请公布号
US2080062(A)
申请公布日期
1937.05.11
申请号
US19340743203
申请日期
1934.09.08
申请人
NAAMLOOZE VENNOOTSCHAP DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ
发明人
RAINBOW HENRY
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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