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发明名称
Scale
摘要
申请公布号
US2308874(A)
申请公布日期
1943.01.19
申请号
US19400370629
申请日期
1940.12.18
申请人
GREENLEAF WILLIAM H
发明人
GREENLEAF WILLIAM H.
分类号
G01G19/00
主分类号
G01G19/00
代理机构
代理人
主权项
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