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经营范围
发明名称
Improvements in or relating to weighing apparatus with automatic addition and removal of supplementary weights
摘要
申请公布号
GB505049(A)
申请公布日期
1939.05.04
申请号
GB19370033459
申请日期
1937.12.03
申请人
MAATSCHAPPIJ VAN BERKELS PATENT N.V.
发明人
分类号
G01G1/28
主分类号
G01G1/28
代理机构
代理人
主权项
地址
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