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发明名称
Measuring spoon
摘要
申请公布号
US2521343(A)
申请公布日期
1950.09.05
申请号
US19490073880
申请日期
1949.02.01
申请人
CHADWICK WILLIAM R
发明人
CHADWICK WILLIAM R.
分类号
G01F19/00
主分类号
G01F19/00
代理机构
代理人
主权项
地址
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