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发明名称
ELECTRICALLY OPERATED CALCULATING APPARATUS
摘要
申请公布号
CA461655(A)
申请公布日期
1949.12.06
申请号
CAD461655
申请日期
申请人
STANDARD TELEPHONE AND CABLES LIMITED
发明人
GEORGE CLIFFORD HARTLEY;LESLIE BAINES HAIGH;JOHN RIDD GOULD
分类号
主分类号
代理机构
代理人
主权项
地址
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