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发明名称
ELECTRICALLY POWERED KEYBOARD AND TRANSFER MECHANISM FOR TEN KEY ADDING OR CALCULATING MACHINE
摘要
申请公布号
CA706251(A)
申请公布日期
1965.03.23
申请号
CAD706251
申请日期
申请人
RUPERT M. STARRETT
发明人
RUPERT M. STARRETT
分类号
主分类号
代理机构
代理人
主权项
地址
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