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发明名称
CALCULATING MACHINE
摘要
申请公布号
CA548875(A)
申请公布日期
1957.11.12
申请号
CAD548875
申请日期
申请人
ITALO RIZZIERI
发明人
RICCARDO BUZZI
分类号
主分类号
代理机构
代理人
主权项
地址
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