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发明名称
Apparatus for measuring predetermined quantities by weighing
摘要
申请公布号
US2157197(A)
申请公布日期
1939.05.09
申请号
US19370164833
申请日期
1937.09.21
申请人
DUYN ADRIANUS VAN
发明人
DUYN ADRIANUS VAN
分类号
G01G13/00
主分类号
G01G13/00
代理机构
代理人
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地址
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