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经营范围
发明名称
Balance
摘要
申请公布号
US1949721(A)
申请公布日期
1934.03.06
申请号
US19290401602
申请日期
1929.10.22
申请人
CENTRAL SCIENTIFIC COMPANY
发明人
KLOPSTEG PAUL E.
分类号
G01G1/26
主分类号
G01G1/26
代理机构
代理人
主权项
地址
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