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发明名称
Balance annulaire avec double suspension du contrepoids
摘要
申请公布号
FR727804(A)
申请公布日期
1932.06.24
申请号
FRD727804
申请日期
1931.10.02
申请人
发明人
BRUYN PAUL DE
分类号
G01L7/24
主分类号
G01L7/24
代理机构
代理人
主权项
地址
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