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发明名称
Balance à indication optique du poids.
摘要
申请公布号
CH203469(A)
申请公布日期
1939.03.15
申请号
CHD203469
申请日期
1937.03.30
申请人
MAATSCHAPPIJ VAN BERKEL'S PAPENT N. V.
发明人
MAATSCHAPPIJ VAN BERKEL'S PAPENT N. V.
分类号
G01G23/32
主分类号
G01G23/32
代理机构
代理人
主权项
地址
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