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经营范围
发明名称
Ultramicrobalance beam
摘要
申请公布号
US3224521(A)
申请公布日期
1965.12.21
申请号
US19640369156
申请日期
1964.05.21
申请人
UNION CARBIDE CORPORATION
发明人
CZANDERNA ALVIN W.
分类号
G01G21/00
主分类号
G01G21/00
代理机构
代理人
主权项
地址
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