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发明名称
Machine for indicating weight and functions of weight
摘要
申请公布号
US1813029(A)
申请公布日期
1931.07.07
申请号
US19230614798
申请日期
1923.01.25
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
CRAIG ROBERT
分类号
G01G23/34
主分类号
G01G23/34
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