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发明名称
DEVICE FOR COMPUTING AREAS AND VOLUMES
摘要
申请公布号
CA643880(A)
申请公布日期
1962.07.03
申请号
CAD643880
申请日期
申请人
FRANKLIN LE ROY DAVIS
发明人
FRANKLIN LE ROY DAVIS
分类号
主分类号
代理机构
代理人
主权项
地址
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