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发明名称
Scale
摘要
申请公布号
US1903955(A)
申请公布日期
1933.04.18
申请号
US19310555712
申请日期
1931.08.07
申请人
EDWARD A. JUDGE;JACOB E. SEEDERER
发明人
CAMERON HUGH M.
分类号
G01G19/46
主分类号
G01G19/46
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代理人
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