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发明名称
Scale bearing
摘要
申请公布号
US1858588(A)
申请公布日期
1932.05.17
申请号
US19270184310
申请日期
1927.04.16
申请人
E. AND T. FAIRBANKS AND COMPANY
发明人
HADLEY HARLAN A.
分类号
G01G21/00
主分类号
G01G21/00
代理机构
代理人
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