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发明名称
Computing scale
摘要
申请公布号
US1835903(A)
申请公布日期
1931.12.08
申请号
US19280246301
申请日期
1928.01.12
申请人
DAYTON SCALE COMPANY
发明人
ROULEAU WILFRED J.
分类号
G01G19/41
主分类号
G01G19/41
代理机构
代理人
主权项
地址
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