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发明名称
Приспособление для уравновешивания кольцевых весов
摘要
申请公布号
SU90326(A1)
申请公布日期
1949.11.30
申请号
SU19490385292
申请日期
1949.03.17
申请人
ARENS LUI
发明人
ARENS LUI
分类号
G01G5/04
主分类号
G01G5/04
代理机构
代理人
主权项
地址
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