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发明名称
Interest calculator
摘要
申请公布号
US2477785(A)
申请公布日期
1949.08.02
申请号
US19460651801
申请日期
1946.03.04
申请人
BROWN JAMES A
发明人
BROWN JAMES A.
分类号
主分类号
代理机构
代理人
主权项
地址
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