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经营范围
发明名称
Laboratory balance
摘要
申请公布号
US2271809(A)
申请公布日期
1942.02.03
申请号
US19410377156
申请日期
1941.02.03
申请人
THOMPSON FRED W
发明人
THOMPSON FRED W.
分类号
G01G1/00
主分类号
G01G1/00
代理机构
代理人
主权项
地址
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